00517naa#a2200169#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200006900102210009900171215001100270608002700281700001800308856002100326EN\\bibl\6869420241219200101.4##a2307-7476##a20160625b2016####ek#y0engy0150####ca0#aRUS##aRU1#aSOME SAFETY ISSUES IN SIMPLE MECHANICS PROBLEMSeJournal article1#aSaint-PetersburgcSaint-Petersburg University of State Fire Service of Emercom of Russiad2016##a12 с.##aJournal article2local#1aTrubilkogA I4#ajournals.igps.ru