00513naa#a2200169#i#450# EN\\bibl\68617 20241125134037.1 2307-7476 20141225b2014####ek#y0engy0150####ca RUS RU ORIGINS AND FUTURE OF SOLID STATE LIGHTING Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2014 5 с. Journal article local Kartashova A P journals.igps.ru