00613naa#a2200193#i#450# EN\\bibl\67938 20240921233322.6 2218-130X 20130325b2013####ek#y0engy0150####ca RUS RU FEATURES COMBUSTION COMPOSITE POLYMER MATERIALS FILLED WITH HOLLOW GLASS SPHERES Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2013 4 с. Journal article local Sirotinkin N V Ryutkyanen E A Belshina J N journals.igps.ru