000 00277pam a2200121a 44500
082 _a551
_bH83i
100 _aHowell, Benjamin Franklin
245 1 _aINTRODUCTION TO GEOPHYSICS
260 _aN. Y.
_bMcgraw-Hill
_c1959
300 _a399
964 _gCIRC
997 _a21694 C
999 _c432902
_d432902