00674naa#a2200169#i#4500001001500000005001700015011001400032100004100046102000700087200009400094210010900188215001000297608002700307675011200334700003500446856002300481EN\\bibl\5922820250720133329.7##a2712-7761##a20230420b2023####ek#y0engy0150####ca##aRU1#aFrom Professor D. P. Grigoriev’s archive: E. V. Zinserling’s letterseJournal article1#aSyktyvkarcFSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"d2023##a5 с.##aJournal article2local##aОписательная минералогия. Специальное минераловедение. 549#1aVoytehovskiygYuri Leonidovich4#akomisc.editorum.ru