00572naa#a2200193#i#450# EN\INFRA-M\bibl\123 20251212213457.5 1998-071X 20130225b2013####ek#y0engy0150####ca RUS RU Efficiency Increase Method оf Biological Treatment оf Optical Mechanics Production Sewage Journal article Moscow INFRA-M Academic Publishing LLC. 2013 2 с. Journal article local Sirotkin A. Suslova S. Khuzyasheva D. zh-szf.ru