TY JOUR TI Metallographic analysis of the copper conductors exposed to overcurrent, in the examination of fires KW forensic fire expert KW overcurrent KW metallographic analysis KW melting KW copper KW wiring JO Scientific and analytical journal «Vestnik Saint-Petersburg university of State fire service of EMERCOM of Russia» AU Mokriak, A.Y. AU Cheshko, I.D. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia