000 00441nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQE41.C6
100 1 _aCox, Dennis P.
_eAuthor
245 1 0 _aIntroductory geology
_b : a programmed text
260 _aSan Fransisco
_b: W. H. Freeman and Company
_c1965
300 _a140p.
_b: ill.
_c; 25cm.
650 _aGeology
700 1 _aHellen R. Cox
_eAuthor
942 _2lcc
_cBK
999 _c71398
_d71398