00494naa#a2200181#i#450# EN\\bibl\3492 20260110093431.6 2073-0462 20141010b2014####ek#y0engy0150####ca RUS RU ARTIFICIAL ECOSYSTEMS OF BELEBEY - BUGULMA HILL Journal article Kazan Kazan state agrarian University 2014 3 с. Journal article local Gibadullin Nursil Igonin Ivan zh-szf.ru