000 00253pam a2200109a 44500
082 _a551.0822
_bG292 V.20 1949
100 _a
245 1 _aGEOPHYSICAL ABSTRACTS
260 _a
_bJohnson & Kraus , Newyork
_c1964
964 _gREF
997 _a46914 BASE R
999 _c446978
_d446978