00535naa#a2200193#i#4500001002100000005001700021011001400038100004100052101000800093102000700101200006100108210005100169215001000220608002700230700002500257700002700282700001700309856001500326EN\INFRA-M\bibl\326520240424195632.3##a1998-071X##a20140825b2014####ek#y0engy0150####ca0#aRUS##aRU1#aCoal Рroduction Safety by Risk IndexeseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2014##a5 с.##aJournal article2local#1aKhamidullinagElena #1aTimofeevagSvetlana S.#1aSmirnovgG. 4#anaukaru.ru