00675naa#a2200205#i#450# EN\\bibl\77526 20260220103938.5 1819-4036 20130325b2013####ek#y0engy0150####ca RUS RU SIMULATION MODEL OF HEAT PUMP EQUIPMENT OPERATION IN HEATING SYSTEM IN THE CHELYABINSK REGION CONDITIONS Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2013 3 с. Journal article local Отопление помещений. 628.81 RUS Nizamutdinov R Zh Ptashkina-Girina O S Doskenov A Kh vestnik.kgau.ru