00578naa#a2200181#i#450# EN\\bibl\66842 20241124165254.7 1998-8990 20170625b2017####ek#y0engy0150####ca RUS RU WAYS OF IMPROVING THE DETECTION OF IMPACTS EMERGENCY BY UNMANNED AERIAL VEHICLES Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 5 с. Journal article local Savchuk O N Silnikov M V journals.igps.ru