00552naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200011800102210004900220215001000269608002700279700002900306700002100335856001400356EN\\bibl\1056720260405111434.7##a2073-0462##a20151225b2015####ek#y0engy0150####ca0#aRUS##aRU1#aAN IMPACT OF THE TECHNICS OPERATING LEVEL ON INDICES OF TRACTOR USAGE IN AGRICULTURAL PRODUCTIONeJournal article1#aKazancKazan state agrarian Universityd2015##a2 с.##aJournal article2local#1aGalievgIlgiz Gakifovich#1aKhusainovgRail 4#azh-szf.ru