00598naa#a2200181#i#450# EN\\bibl\68122 20250503185507.6 2218-130X 20141225b2014####ek#y0engy0150####ca RUS RU Metallographic analysis of the copper conductors exposed to overcurrent, in the examination of fires Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2014 7 с. Journal article local Mokriak A Yu Cheshko I D journals.igps.ru