00495naa#a2200181#i#450# EN\\bibl\3492 20250331034800.1 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 naukaru.ru