000 00322nam a2200145Ia 4500
003 IN-KoSCC
082 _a531.38
_bEw94El
100 1 _aEwing. W.Maurice
245 1 _aElastic waves in layerd media
260 _aNew York
_bMcgraw hill
_c1957
300 _axii,380p.
500 _aRs.53.75
653 _aPhysics
942 _cBK
999 _c2488
_d2488