https://vital.lib.tsu.ru/vital/access/manager/Index ${session.getAttribute("locale")} 5 Increase in the lasing efficiency of thin-film lasers based on 1.4-distirylbenzene https://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000635230 Wed 31 Oct 2018 16:42:54 KRAT ]]>