div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imagea href=https:reader042vdocumentsusreader042viewer2022020523575068621a28ab0f07afec77html5page1jpg target=_blank img data-url=1937-1951-1976-progress-in-crystallographyhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 1937 1951 1976 — progress in crystallography loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader042vdocumentsusreader042viewer2022020523575068621a28ab0f07afec77html5thumbnails1jpg width=140 height=200 adivp© Nature Publishing Group1980pdiv