00446naa#a2200157#i#4500001001500000005001700015011001400032100004100046102000700087200008000094210003700174215001000211608002700221700002600248856001400274EN\\bibl\1744020260516164749.6##a1609-3178##a20170712b2017####ek#y0engy0150####ca##aRU1#aNDT Natural Oscillation Technique for Wooden Pole StrengtheJournal article1#aSaint-PetersburgcLLC SVENd2017##a3 с.##aJournal article2local#1aKugushevgVladimir I.4#azh-szf.ru