000 00401nam a2200169Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a551.22
_bR535
100 _aRichter C F
245 _aElementary seismology
260 _aSan Francisco
_bW H Freeman
_c1958
300 _aviii,768p.
650 _aGeology
650 _aSeismology
942 _cBK
999 _c47151
_d47151