div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=copyright-by-georg-graf-ksr-printed-by-multi-reflex-ag-61-pm-promethiumhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: Copyright by Georg Graf KSR Printed by MULTI REFLEX AG · 61 Pm Promethium 62Sm Samarium Europium Gadolinium Terbium Dysprosium 67Ho Holmium Erbium Thulium 70Yb Ytterbium Lu loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader031vdocumentssitereader031viewer20220227105bfa419c09d3f2762a8b7a55html5thumbnails1jpg width=140 height=200 divdiv