000 00393nam a2200145Ia 4500
008 221122s9999 xx 000 0 und d
020 _a0521361583
082 _a551(084.3) B67G
100 _aBolton, T.
245 0 _aGeological maps: Their solution and interpretation
260 _bCambridge University press
_aCambridge
_c1989
300 _a144 p.
650 _aGeological maps
942 _cBK
999 _c2887
_d2887