000 00371nam a2200157Ia 4500
008 230627s9999 xx 000 0 und d
050 _aPAM QE36.T46
100 _aThomas, J. A. G.
245 3 _aAn introduction to geological maps
260 _bGeorge Allen and Unwin
260 _c1966
300 _a67p.
300 _bill.
300 _c25cm.
650 _aGeology
999 _c124520
_d124520