00512naa#a2200205#i#450# EN\\bibl\102012 20251204234927.4 2588-0209 20211025b2021####ek#y0engy0150####ca RU "PASSIVE HOUSE" AS AN ENERGY-SAVING CONSTRUCTION TECHNOLOGY Journal article Moscow Electronic science 2021 0 с. Journal article local Fiapshev A. G. iacj.ru