00566naa#a2200157#i#4500001001500000003001700015005001700032011001400049100004100063102000700104200011200111210010900223215001000332608002700342856003900369EN\\bibl\67057/en/manage/index20250817150530.7##a2712-7761##a20230630b2023####ek#y0engy0150####ca##aRU1#aCoryphaeus of coal geology The 100th anniversary of the birth of Yuri Vasilyevich StepanoveJournal article1#aSyktyvkarcFSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"d2023##a0 с.##aJournal article2local4#atest.editorum.ruu/en/manage/index