000 00353nam a2200145Ia 4500
008 230917s9999||||xx |||||||||||||| ||und||
040 _e89722
_aMAIN
041 _aEnglish
082 _a551.22 G959E
100 _aGupta, Alka
245 0 _aElastic waves in incomogenerous and anistropic media
260 _c1990
300 _aii, 168 p.
942 _cTH
999 _c72762
_d72762