00562naa#a2200193#i#450# EN\\bibl\80808 20241124042843.7 2076-0655 20180925b2018####ek#y0engy0150####ca RUS RU Application of natural zeolite in oil-well cement composition Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2018 3 с. Journal article local Guvalov A A Abbasova S I Kouznetsova T V tsilicates.ru