world congress on engineering - gbv · simone leon, alexandernikov, and derek chadee 102 ......
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World Congress on Engineering
WCE2010
30 June - 2 July, 2010
Imperial College London, London, U.K.
Organizing Association:
IAENG
International Association of Engineers
IA ENG
International Association of Engineers
ISBN: 978-988-17012-9-9
ISSN: 2078-0958
Table of Contents
World Congress on Engineering 2010
WCE 2010
Preface 1
Committees li
Abstracts of Invited Lectures Ixxv
VOLUME I
The 2010 International Conference of Computational
Intelligence and Intelligent Systems
Using the Probabilistic Weighted Average in Decision Making with
Distance Measures
Jose M. Merigo 1
Logic Relation Refinement Using Unlabeled Data
Ki Chan, Tak-Lam Wong, and Wai Lam. 5
A New Hybrid Genetic and Simulated Annealing Algorithm to Solve the
Traveling Salesman Problem
Younis Elhaddad, and Omar Sallabi 11
Parameters Identification of Nonlinear DC Motor Model Using Compound
Evolution Algorithms
Shuang Cong, Guodong Li, and Xianyong Feng. 15
Contribution to Incomplete and Noisy Information Problem Solving by
Artificial Intelligence Principles Applying
iii
StefanJa GALLOVA 21
RFID and Integrated Technologies for Solid Waste Bin Monitoring System
Maher Arebey, M A Hannan, Hassan Basri, R A Begum, and Huda
Abdul Iah
Clauses Representation Comparison in Neuro-Symbolic Integration
Sara tha Sathasivam. 34
Ant Colony Optimization for Buyer Coalition with Bundle of Items
Anon Sukstrienwong. 38
MDEA: A Multi-level Dynamic Evolution Algorithm for Multi-objective
Optimization
Guojun Zhang, Guibing Gao, Gang Huang, and Peihua Gu 44
Software Architecture of a Learning Apprentice System in Medical
Billing
Aftab Ahmed, Umair Abdullah, and Mohammad J. Sawar. 52
Integrating Incomplete Information into the Relational Data Model
Jorge Ribeiro, Jose Machado, Antonio Abelha, Manuel Fernandez-Delgado,^
and Jose Neves
EEG Eye Blink Classification Using Neural Network
Brijil Chaiubayil, Rajesh Sing]a, and R. Jha 63
Enhanced Design of a Rule Based Engine Implemented using Structured
Query Language
Mohammad J. Sawar, Umair Abdullah, and Aftab Ahmed. 67
Fuzzy-controlled Rebroadcasting in Mobile Ad Hoc Networks
Anuradha BarerJee, and Paramartha Dutta 72
Multi-Agent System Approach for an Integrated Urban Wastewater
Management
M. Verdaguer, M. Aulinas, N. Clara, and M. Poch 77
A Unified Model between the OWA Operator and the Weighted Average in
Decision Making with Dempster-Shafer Theory
Jose M. Merigo, and Kurt J. Engemann 83
iv
Institution-Governed and Contract-Ensured Hierarchical Self-
Organization of Service Cooperation and VOs
Ji Gao, and Shiping Ye 88
Coevolution of Technical Trading Rules for High Frequency Trading
Kamal Adamu, and Steve Phelps 96
A Control Structure for Intelligent Emotion-Oriented eCommerce Systems
Simone Leon, Alexander Nikov, and Derek Chadee 102
An Evidence Model to Enable Constraint-Based Runtime Monitoring in SOA
Ganna Monakova, Philip Miseldine, and Frank Leymann 108
Identifying Dyslexic Students by Using Artificial Neural Networks
Mai trei Kohli, and L V. Prasad. 118
Agent Coordination and Disaster Prediction in Persia 2007, A RoboCup
Rescue Simulation Team based on Learning Automata
Moahammad R. Khojasteh, and Aida Kazimi 122
Novel Heuristics for Coalition Structure Generation in Multi-agent
Systems
Mustansar Ali Ghazanfar, and Adam Prugel-Bennett 128
An Application of Neural Networks for Forecasting Container Throughput
at Bangkok Port
Veerachai Gosasang, Watcharavee Chandraprakaikul, and Supaporn
Kiattisin
An Effective Intelligent Educational Model Using Agent with Personality
and Emotional Filters
S. Fatahi, and N. Ghasem-Aghaee 142
Path Planning for Robot Navigation using View Sequences
Mateus Mendes, A. Paulo Coimbra, and Manuel M. Crisostomo 148
Enhanced Data Topology Preservation with Multilevel Interior Growing
Self-Organizing Maps
Thouraya Ayadi, Tarek M. Hamdani, and Adel M. Alimi 154
v
An Optimized Classification Model for Time-Interval Sequences
Chieh~Yuan Tsai, and Chun-Ju Chien 160
The 2010 International Conference of Computer
Science and Engineering
Partitioning the Intrinsic Order Graph for Complex Stochastic Boolean
Systems
Luis Gonzalez 166
Design of a Learning Environment for Embedded System
Tiago Goncalves, A. EspiritoSanto, B. J. F. Ribeiro, and P. D.
Gaspar.
Forward Error Correction Concealment Method for CELPHBased Coders in
Packet Networks
Fatiha Merazka 178
Micro Level Attacks In Real-Time Image Processing For An On-Line CBIR
Systems
Wichian Premchaiswadi, and Anucha Tungkatsathan 182
Comparing Ontology Development Tools Based on an Online Survey
M. Bahama tullah Khondoker, and Paul Mueller. 188
A Ternary Arithmetic and Logic
Ion Profeanu 193
Resolution Sequences for Geometric Beautification
Peter Varley. 197
Comparative Study of Complexities of Breadth-First Search and Depth-
First Search Algorithms using Software Complexity Measures
Akanmu T. A., Olabiyisi S. 0., Omidiora E. 0., Oyeleye C. A., Mabayoje
M. A., and Baba tunde A. 0.
Aerospace-Academia: ERP-Communication Framework Strategy
vi
M Asif Rashid, Hammad Qureshi, Muiz-ud-Din Shami, Nawar Khan, Erol
Sayin, and Ibrahim H. Seyrek.
Information Modeling Of Urban Traffic System Using Fuzzy Stochastic
Approach
Manuj Darbari, Niranjan Srivastava, Siddartha Lavania, and Sunita
Bansal
Software Engineering Practices in Embedded System Design Using
Discrete Modeling Techniques
Manuj Darbari, and Hasan Ahmed. 218
Performance Comparison between Modified Prime Sequence Codes and
Superimposed Optical Cyclic Orthogonal Codes for OCDMA System at 5Gbps
Bit Rate
Gurjit Kaur, and Neena Gupta 222
Design and Implementation of the Expert System for Balancing Team
Formation on the Basis of Belbin Team Role
S. Fatahi, and A. R. Lorestani 226
Vector Quantization of Microarray Gene Expression Data
T. V. Prasad, and Maitrei Kohli 231
An M/G/l Retrial Queue with Negative Arrivals and Unreliable Server
A. Aissani 236
Universal Technique For The Fastest Communication With The Minimum
Uncertainty In Losing The Information
Mukesh Monga 242
Bandwidth/Fault tolerance/Contention Aware Application-Specific NoC
Using PSO as a Mapping Generator
A tena Roshan Fekr, Ahmad Khademzadeh, Majid Janidarmian, and Vahhab^
Samadi Bokharaei
Web Server on a SIM Card
Lazaros Kyrillidis, Keith Mayes, and Konstantinos Markantonakis.. ..
253
209
215
The 2010 International Conference of Data Mining
and Knowledge Engineering
Preliminary Analysis of AASHO Road Test Flexible Pavement Data Using
Linear Mix Effects Models
Hsiang-Wei Ker, and Ying-Haur Lee 260
On An Interpretation Of Spectral Clustering Via Heat Equation And
Finite Elements Theory
Sandrine Mouysset, Joseph Noailles, and Daniel Ruiz 267
Efficient Self-Organizing Map Learning Scheme Using Data Reduction
Preprocessing
Yang Xu, and Tommy W. S. Chow. 273
The Role of Mathematical Model In Managerial Decisions- With SpecialReference To Supplier Selection
P. D. D. Dominic, Emelia Akashah, and Goh Kim Nee 277
Dynamic Fuzzy String-Matching Model for Information Retrieval Based on
Incongruous User Queries
Olufade F. W. Onifade, Odile Thiery, Adenike 0. Osofisan, and GeraldZoo
Duffing.
A Model-Based Taxonomy of Knowledge Development Scenarios
Eckhard Ammann, Ismael Navas-Delgado, and Jose F. Aldana-Montes....
289
A System Dynamics Approach to Reduce Total Inventory Cost in an
Airline Fueling System
A. Al-Refaie, M. Al-Tahat, and I. Jalham. 295
Feature Selection by Efficient Learning of Markov Blanket
Shunkai Fu, and Michel Desmarais. 302
A Comparative Framework for Evaluating Classification Algorithms
Neslihan Dogan, and Zuhal Tanrikulu 309
Email Grouping Method
Taiwo Ayodele, Shikun Zhou, and Rinat Khusainov. 315
viii
Markov Blanket based Feature Selection: A Review of Past Decade
Shunkai Fu, and Michel C. Desmarais 321
Sparse Classifier Design Based on the Shapley Value
Prashanth Ravipally, and Dinesh Govindaraj. 329
Customer Knowledge Co-creation Process in New Product Development
Sofianti T. D., Suryadi K., Govindaraju R., and Prihartono B. 335
Data mining Aided Proficient Approach for Optimal Inventory Control in
Supply Chain Management
Chitriki Thotappa, and K. Ravindranath 341
Chi-squared and Associations in Tabular Audiology Data
Muhammad N. Anwar, Michael P. Oakes, and Ken McGarry. 346
The 2010 International Conference of Financial
Engineering
High Frequency Trading using Fuzzy Momentum Analysis
A. Kablan, and W. L. Ng. 352
The Derivation and Impact of an Optimal Cut-Off Grade Regime Upon Mine
Valuations
P. V. Johnson, G. W. Bvatt, P. IT. Duck, and S. D. Howell 358
On Generalized Stochastic Differential Equation and Black-Scholes
Dynamic Process
Y. Zheng. 364
Applying a Global Optimisation Algorithm to Fund of Hedge Funds
Portfolio Optimisation
B. Minsky, M. Obradovic, Q. Tang, and R. Thapar. 368
Lower Asymptotics for the Finite Time Ruin Probability in the Renewal
Model with Subexponential Claims
Tao Jiang, Bin Lai, and Chongyan Tong. 374
ix
China Stock Market Regimes Prediction with Artificial Neural Network
and Markov Regime Switching
Ihvicl I. iu, mid l.ei /.luum. 378
Theoretical Model of Stock Trading Behavior with Biases
Ke Liu, Kin Kct/riL,'- l.ui, mid Jerome Yon 384
Quantitative Results for a Qualitative Investor Model - A Hybrid
Multi-Agent Model with Social Investors
Stephen Chen, lirendu Spot ion Visnno, mid Miehuel l.ui 390
The 2010 International Conference of Information
Engineering
A Local Search Method Using Histogram Features for Fast Retrieval of
DNA Sequences
Qiu (hen, Koji Kota/ii, /•'eil'ei Lee, mid Tadahiro Oliini 395
The Case For Non-preemptive, Deadline-driven Scheduling In Real-time
Embedded Systems
Miehnel Short 399
Flexible Searching for Graph Aggregation Hierarchy
I'iehnyotn i Maha 11 hmiupinn t 405
Design and Implementation of Artificially Intelligent Microcontroller
based Chess Opponent
Gurj'it Knur, Anil K. Yudnv, mid Varun Anancl. 410
A Survey of E-Learning Platforms in Mauritius
Ihidfiruth S., MolooR.K., Mnntaye A., and Jannoo N. Bibi 415
An OOP w/ Java Course Using an Inductive Approach
Duygu Cakir, Selvihan N. Kaptan, and Adem Karahoca 421
Effective Information Delivery at Construction Phase with Integrated
Application of RFID, GPS and GSM Technology
x
J. Majrouhi Sardroud, and M. C. Limbachiya, 425
The 2010 International Conference of Information
Security and Internet Engineering
Towards Securing Biometric Templates using Self Generated Dynamic
Helper Data
Aditya Abhyankar, and Stephanie Schuckers 432
Evaluating the Compatibility of a Tool to Support E-Businesses'
Security Negotiations
Jason R. C. Nurse, and Jane K Sinclair. 438
Detection of Denial of Service Attacks against Domain Name System
Using Machine Learning Classifiers
Samaneh Rastegari, M. Iqbal Saripan, and Mohd Fadlee A. Rasid. 444
Identification of Candidate Services for Optimization of Web Service
Composition
Gopinath Ganapathy, and Chellammal Surianarayanan 448
Link-based Approach to Web Service Discovery
Gopinath Ganapathy, and Chellammal Surianarayanan 454
Network Security
Sasikumar Gurumurthy. 460
Design and Implementation of Airline Reservation Web Services Using
Service-oriented Architecture
Fang-Fang Chua, Syahrul Amri Bin Ngazizan, and Musa Bin Hassan 465
STAKCERT Worm Relational Model for Worm Detection
Madihah Mohd Saudi, Andrea J Cullen, and Mike E Woodward. 469
Statistical Analysis in Evaluating STAKCERT Infection, Activation and
Payload Methods
Madihah Mohd Saudi, Andrea J Cullen, and Mike E. Woodward. 474
xi
Surveillance Issues for Security over Computer Communications and
Legal Implications
Shi1pa Mehta, U Eranna, and K. Soundararajan 480
Cloud Data Storage for Group Collaborations
JyhShyan Lin 485
Vulnerability of Selfish Routing to Attacks: Game-theoretic Models and
Initial Results
D. Genin, V. Marbukh, and A. Nakassis 487
The 2010 International Conference of Parallel and
Distributed Computing
Distributed Memory Implementation of the False Nearest Neighbors
Method: Kd-tree approach versus Box-assisted approach
Julio J. Aguila, Ismael Marin, Enrique Arias, Maria del Mar Artigao,and Juan J. Miralies
An Efficient Parallel Algorithm for Longest Common Subsequence Problem
on GPUs
Jiaoyun Yang, Yim Xu, and Yi Shang. 499
Optimized Channel Assignment in Distributed Environment
Suni La Choudhary, and G. N. Puroh it 505
SMASim: A Cycle-accurate Scalable Multi-core Architecture Simulator
Jari-Matti Make!a, and ViJJe Leppanen 509
FIP over Ethernet/IP for Real Time Distributed Systems Implementation
Zakaria SAHRAOUJ, Abdenour LABED, and Aomar SERIR. 515
The 2010 International Conference of Systems
Biology and Bioengineering
xii
Host Pathogen Interactions with Recovery Rate: A Mathematical Study
Priti Kumar Roy, and Biplab Chattopadhyay. 521
New Solutions for the Three-Dimensional Electrical Impedance Equation
and its Application to the Electrical Impedance Tomography Theory
M. P. Ramirez T., J. J. Gutierrez C., V. D. Sanchez N., and K Bernalrnrj
pm527
HIV Infection in T-lymphocytes and Drug Induced CTL Response of a Time
Delayed Model
Priti Kumar Roy, Amar Nath Chatterjee, and Biplab Chattopadhyay.. ..533
Validation of an EEG-Based Algorithm for Automatic Detection of Sleep
Onset in the Multiple Sleep Latency Test
Luis Estrada, Joan Santamaria, Valentina Isetta, Alex Iranzo, Daniel
Navajas, and Ramon Farre539
The Effect of Different HC1 Concentrations on Wound Healing of Bone
Cell Monolayer
F. Sefa t, C. B. Beggs, M. C. T. Denyer, G. D. Meakin, and M. Youseffi.. 542
Mathematical Modeling on Immunopathogenesis in Chronic Plaque of
Psoriasis: A Theoretical Study
Priti Kumar Roy, jhumpa Bhadra, and Biplab Chattopadhyay. 550
Effects of an Enzyme, Depolymerization and Polymerization Drugs to
Cells Adhesion and Contraction on Lyotropic Liquid Crystals
Chin Fhong Soon, Mansour Youseffi, Nick Blagden, and Morgan Denyer. 556
Investigate of Process Parameters on Xylanase Enzyme Activity in
Melanocarpus Albomyces Batch Culture
Vipan Kumar Sohpal, Apurba Dey, and Amarpal Singh 562
Novel Mechanical Occlusion Device for Transcervical Sterilization
Rehan M, Coleman J. B., and Olabi A. G. 566
The Effect of Transforming Growth Factor Beta (TGF-Beta3) and Sanicle
on Wound Healing
C. B. Beggs, M. C. T. Denyer, A. Lemmerz, F. Sefat, C. Wright, and M.^
Youseffi
XIII
Estimation of Optical Properties of Normal and Diseased Tissue based
on Diffuse Reflectance Spectral Model
Shanthi Prince, and S. Malarvizhi 578
Particle Hemodynamics Analysis after Coronary Angioplasty
S.I. Bemad, A. F. Totorean, V. F. Vinatu, and R. F. Susan-Resiga 583
Chaotic Oscillations in a Hodgkin-Huxley Neuron - Quantifying
Similarity Estimation of Neural Responses
M. Sarangdhar, and C. Kambhampati 589
Towards Building an Artificial Ventricle: Conceptual Considerations in
the Design and Construction of a Novel, Totally Implantable Mechanical
Circulatory Support System
Hisham M. F. Sherif. 595
Effect of Cup Deflection on Friction of Hip Resurfacing Prosthesis
with Various Clearances Using Blood and Clotted Blood as Lubricants
S. Afshinjavid, and M. Youseffi 598
Optimization of Parameters for Phenol Degradation by Rhodococcus UKM-P
in Shake Flask Culture
Nor Suhaila. Y, Ariff. A., Rosfarizan. M., Abdul Latif. I., Ahmad.^
S. A., Norazah. M. N., and Shukor. M. Y. A
Intelligent System to Recognize Human Brain Signals for finding Brain
Diseases based on Neural Networks
Sasikuwar Gurumurthy, and B. K. Tripathy. 605
Analysis of the Architecture and Mechanical Properties of Cancellous
Bone Using 2D Voronoi Cell Based Models
Osvaldo Ruiz, Rafael Schouwenaars, Edgar I. Ramirez, Victor H. Jacobo,r * , ^
609and Armando Ortiz
T-cell Proliferation in a Mathematical Model of CTL Activity Through
HIV-1 Infection
Priti Kumar Roy, and Amar Nath Chatterjee 615
The Effect Of Ligament Stiffness On The Stability Of The Human Spine
C. Botha, and J. Spoelstra 621
xiv
Stimulus Reconstruction from a Hodgkin-Huxley Neural Response: A
Numerical Solution
M. Sarangdhar, and C. Kambhampati 627
The 2010 International Conference of Signal and
Image Engineering
Hybrid Phase Unwrapping for Three-Dimensional Surface Reconstruction
Based on Pixel Quality Classification using a Laplacian Filter
Jose Ferreira, Masashi Hayashi, Ryo Taguchi, and Taizo Liiic/.aki 633
Fast Search for MPEG Video Clips from Large Video Database Using
Combined Histogram Features
Feifei Lee, Koji Kotani, Qiu Chen, and Tadahiro Ohm/ 637
Intensity Constrained Flat Kernel Image Filtering Scheme - Definition
and Applications
Alexander A. Gutenev. 641
Utilization of Similarity Metric in the Implementation of an Object
Recognition Algorithm using Java
Fadzliana Saad, and Rainer Stotzka 646
Auditory-based Subband Blind Source Separation using Sample-by-Sample
and Infomax Algorithms
Abderraouf Ben Salem, Sid-Ahmed Selouani, and Habib Hamm 651
Selection of Time-after-injection in Bone Scanning using Comparttnental
Observers
Fernando Tadeo, and Mustapha Ait Rami 656
Steganography Using More Surrounding Pixels
Masoud Afrakhteh, and Subariah Ibrahim. 662
Palm Print Verification System
D.B.L. Bong, R.N. Tingang, and A. Joseph 667
Optimization of Ensemble based Decision using PSO
xv
Asma Kausar, M. Ishtiaq, M. Arfan Jaffar, and Anwar M. Mirza 671
Motion Estimation along The Myocardial Boundary using Boundary
Extraction and Optical Flow
Adhi Harmoko Saputro, Mohd. Marzuki Mustafa, Aini Hussain, Oteh Maskon,nnn677
and Ika Faizura Mohd Noh
Research of Hybrid Extraction Method Based on Multiple Image Features
of Materials for Stereo Warehouse
Wan-liang Wang, Wei Yang, and Yan~wei Zhao 681
Automatic Seamless Image Mosaicing: An Approach Based on Quad-tree
Technique
D. R. Ramesh Babu, and M. Ravishankar. 687
Segmental Boundary Profile of Myocardial Motion to Localize Cardiac
Abnormalities
Slawet Riyadi, Mohd Marzuki Mustafa, Aini Hussain, Oteh Maskon, and IkaDaZ
Faizura Mohd Noh
3D Surface Roughness Measurement Using a Light Sectioning Vision
System
Ossama B. Abouelatta 698
Statistically Evaluation of Mechanical Heart Valve Thrombosis Using
Heart Sounds
Sabri Altunkaya, Sadik Kara, Niyazi Gormus, and Saadetdin Herdem...
704
Experimental Evaluation of the Concentration Zone Widths in Cane Sugar
Crystallization using Data and Image Acquisition
0. Velazquez-Camilo, E. Bolanos-Reynoso, L. Lopez-Zamora, and J.n
'
Al varez~Ramirez
Total Electron Content (TEC) and Estimation of Positioning Error Using
Malaysia Data
Y. Norsuzila, M. Abdullah, M. Ismail, M. Ibrahim, and Z. Zakaria...
715
Image Compression Preprocessing for ANN Ensemble Motion Detection
System
Kevin Emanuel Moorgas 720
xvi
Statistical Analysis Of Speech Signals By Weighted ASMDF
Roudra Chakraborty, Sagnik Sinha, and Debapriya Sengupta 726
Hybrid wavelet-based Video tracking using Adaptive Contrast Change
Detection in night-time Visual Surveillance Systems
Sherin M. Youssef, Meer A. Harnza, and Arige F. Fayed. 732
Comparative Analysis of Automatic Exudate Detection Algorithms
Akara Sopharak, Bunyarit Uyyanonvara, Sarah Barman, and Thomas
Williamson
Identification of Animal Fibers with Wavelet Texture Analysis
Junmin Zhang, Stuart Palmer, and Xungai Wang. 742
Efficient Chaotic Permutations for Image Encryption Algorithms
Abir Awad, and Abdelhakim Saadane 748
The 2010 International Conference of Wireless
Networks
Performance of RFID with AWGN and Rayleigh Fading Channels for SDR
Application
Muhammad Islam, M A Hannan, S. A. Samad, and A. Hussain 754
Specific Absorption Rate (SAR) Induced in Human Heads of Various Sizes
When Using a Mobile Phone
Adel Z. El Dein, and Alaeddin Amr. 759
Laboratory Performance of Wi-Fi WEP Point-to-Point Links: a Case Study
J. A. R. Pacheco de Carvalho, H. Veiga, N. Marques, C. F. Ribeiro
Pacheco, and A. D. Reis
Multi-Classifier for WLAN Fingerprint-Based Positioning System
Jikang Shin, and Dongsoo Han 768
Trusted Wireless Sensor Node Platform
Yusnani Mohd Yussoff, and Habibah Hashim. 774
xvii
Incorporating QoS Awareness in Routing Metrics for Wireless Mesh
Networks
1shita Bhakta, Koushik Majumdar, Ayan Kumar Bhattacharjee, Arik Das,
Debarshi Kumar Sanyal, Matangini Chattopadhyay, and Samiran 780
Chat topadhyay.
An Assessment Of The Performance Of Bluetooth As A Broadcasting
Channel
Sameerchand Pudaruth, Hemant K. Ramdolin, and Amar Bissoonee 785
An Ontology Approach to Construction of Identification Subsystem for
Intrusion Handling Systems in Wireless LANs
S. Salekzamankhani, A. Pakstas, and B. Virdee 791
Body Area Network (BAN) with OFDM Enhances Data Transmission in
Wireless Health Monitoring Systems (WHMS)
Avinash jha, Manish kr. Upadhyay, Pankaj kr. Singh, Antara Das, and
R. P. Chatterfee
Vegetation Growth Detection Using Wireless Sensor Networks
Pedro Mestre, Carlos Serodio, Raul Morals, Jorge Azevedo, and Pedro
,, i ,,
oUZ
Melo~Pinto
Ontology Approach to Construction of Response and Management Console
Subsystems for Intrusion Handling Systems in Wireless LANs
S. Salekzainankhcini, A. Pakstas, and B. Virdee 808
Field Performance Measurements of a Gbps FSO Link at Covilha City,
Portugal
J. A. R. Pacheco de Carvalho, N. Marques, H. Veiga, C. F. RibeiroO 1 t;
Pacheco, and A. D. Reis
xviii