00568naa#a2200181#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200009900102210005400201215001000255608002700265700003900292700003400331856002100365EN\\bibl\1271920240528142017.2##a2223-4608##a20160830b2016####ek#y0engy0150####ca0#aRUS##aRU1#aUltrasonic techniques at current stage of mechanical engineering developmenteJournal article1#aBryanskcBryansk State Technical Universityd2016##a5 с.##aJournal article2local#1aPrikhodkogVyachyeslav Mihailovich#1aFatyukhingDmitriy Sergeevich4#abstu.editorum.ru