00505naa#a2200181#i#450# EN\\bibl\80563 20250116161126.4 2076-0655 20131225b2013####ek#y0engy0150####ca RUS RU The properties of kaolins surface Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2013 5 с. Journal article local Karavayev T A Sviderskiy V A tsilicates.ru