LDR 00447naa#a2200157#i#450# 001 EN\\bibl\17440 005 20240711022811.4 011 ## _a1609-3178 100 ## _a20170712b2017####ek#y0engy0150####ca 102 ## _aRU 200 1# _aNDT Natural Oscillation Technique for Wooden Pole Strength _eJournal article 210 1# _aSaint-Petersburg _cLLC SVEN _d2017 215 ## _a3 с. 608 ## _aJournal article _2local 700 #1 _aKugushev _gVladimir I. 856 4# _anaukaru.ru _u