div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Institute of Physics · 2019 10 17 · Created Date: 10162019 4:23:46 PM src=https:reader035vdocumentsnetreader035viewer202208141160b0e372b6902866da13d1d5html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv