00580naa#a2200193#i#450# EN\\bibl\80535 20250130181741.4 2076-0655 20130325b2013####ek#y0engy0150####ca RUS RU Foam heat-insulating material on the basis of quartz-feldspar raw materials Journal article Moscow Individual Entrepreneur Svetlana Vasilievna Samchenko 2013 5 с. Journal article local Buruchenko A E Seredkin A A Vereshchagin V I tsilicates.ru