00644naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200011000109210005100219215001000270608002700280675010500307700003600412856001400448EN\INFRA-M\bibl\2112520251221231352.7##a1998-071X##a20171225b2017####ek#y0engy0150####ca0#aRUS##aRU1#aThe business program for the IVth All-Russian week of labor protection has been approvedeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a1 с.##aJournal article2local##aОбщие вопросы математических и естественных наук. 50zRUS#1aDevisilovgVladimir Arkad'evich4#azh-szf.ru