00487naa#a2200169#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200009900102210003700201215001000238608002700248700002700275856001500302EN\\bibl\1209720240910102030.2##a1609-3178##a20160624b2016####ek#y0engy0150####ca0#aRUS##aRU1#aFrequency Dependence of Permeability Helps to Identify Different Steel GradeseJournal article1#aSaint-PetersburgcLLC SVENd2016##a3 с.##aJournal article2local#1aSandovskiygVladimir  4#anaukaru.ru