00697naa#a2200205#i#4500001002100000003001700021005001700038011001400055100004100069101000800110102000700118200017600125210005100301215001000352608002700362700001700389700001800406700002800424856003900452EN\INFRA-M\bibl\3065/en/manage/index20250412073413.6##a2075-4094##a20141105b2014####ek#y0engy0150####ca0#aRUS##aRU1#aChemical composition and biological activity of sapropel in the Orenburg region (V. Sol-Iletsk), genetic link with the composition of the sapropel formerseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a7 с.##aJournal article2local#1aFridzongK. #1aPlatonovgV. #1aKhadartsevgAleksandr  4#atest.editorum.ruu/en/manage/index