https://vital.lib.tsu.ru/vital/access/manager/Index ${session.getAttribute("locale")} 5 Determination of the source for prehistoric obsidian artifacts from the lower reaches of Kolyma River, Northeastern Siberia, Russia, and its wider implications https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000673068 Mon 13 Jan 2020 14:33:28 KRAT ]]>