00510naa#a2200169#i#450# EN\\bibl\80657 20241121164639.4 2076-0655 20140925b2014####ek#y0engy0150####ca RUS RU Reducing the negative impact on the environment in production of cement Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2014 6 с. Journal article local Potapova E N tsilicates.ru