00693naa#a2200229#i#450# EN\\bibl\68704 20250406170904.7 2307-7476 20160925b2016####ek#y0engy0150####ca RUS RU Nanocrystals in rocks and their role in the earth tremors and earthquakes Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2016 2 с. Journal article local Sobolev G A Ponomarev A V Vettegren V I Scherbakov I P Mamalimov R I Kulik V B journals.igps.ru