00551naa#a2200181#i#450# EN\\bibl\613 /en/manage/index 20250213135444.4 2073-0462 20131024b2013####ek#y0engy0150####ca RUS RU Agroecological assessment of new varieties of potatoes in the middle Volga steppe Journal article Kazan Kazan state agrarian University 2013 3 с. Journal article local Vladimirov Sergey test.editorum.ru /en/manage/index