000 00248nam a2200097 4500
999 _c334387
_d334387
082 _a553 GP
_bHOW.I
100 _aHowell Benjamin F.
245 _aIntroduction to geophysics
_cHowell Benjamin F.
260 _aNewYork
_c1959
_bMcGraw-Hill
942 _cBK