00611naa#a2200193#i#450# EN\\bibl\68014 20250103223709.5 2218-130X 20131225b2013####ek#y0engy0150####ca RUS RU Cycle of the mineral substances of the construction and geoecoprotection materials Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 4 с. Journal article local Svatovskaya L B Sychova A M Surkov V N journals.igps.ru