000 00281nam a2200109Ia 4500
008 220201s1971 xx 000 0 eng d
082 _a567
_bPAN-E
100 _aPANAVKO YO
245 0 _aELEMENTS OF THE APPLIED THEORY OF ELASTIC VIBRAT.
260 _bMIR MOSCOW
_c1971
942 _2ddc
999 _c30861
_d30861