00667naa#a2200193#i#450# EN\\bibl\68440 20241125174553.1 2218-130X 20171225b2017####ek#y0engy0150####ca RUS RU SEARCH AND THE GENERALIZED INDICES OF PATENT DOCUMENTSIN THE SPHERE OF RESCUE SERVICES AND FIRE-PREVENTION MEANS IN THE WORLD (1997-2016) Journal article Saint-Petersburg Saint-Petersburg University of State Fire Service of Emercom of Russia 2017 6 с. Journal article local Evdokimov V I Shevtsov V I Potashev D A journals.igps.ru