000 00459nam a2200181Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a551.22
_bC131
245 _aReflection and refraction of progressive seismic waves
260 _aLondon
_bMcGraw-Hill
_c1962
300 _axxii,282p.
650 _aGeology
650 _aSeismology
700 _aDix C H
_4tr.
700 _aFlinn E A
_4tr.
942 _cBK
999 _c51469
_d51469