000 00313pam a2200145a 44500
082 _a551
_bH36
100 _aHeiland, C. A.
245 1 _aGEOPHYSICAL EXPLORATION
260 _aN. Y.
_bHafner
_c1963
300 _a1013
650 _aGeophysics
650 _aProspecting
964 _gCIRC
997 _a52042 C
999 _c432897
_d432897