00475nam#a2200157#i#450# EN\INFRA-M\book\1577 20260523055036.6 20170130d2017####ek#y0engy0150####ca RUS RU Environmental Engineering: Processes and gas emissions purification devices Textbook Moscow INFRA-M Academic Publishing LLC. 2017 523 с. Textbook local Lukanin Aleksandr Vasil'evich naukaru.ru