000			00278nam a2200097 4500
999			_c336637 _d336637
082			_a550.113 _bPFL.C
100			_aPflug Reinhard and Harbaugh John W
245			_aComputer graphics in geology _cPflug Reinhard and Harbaugh John W
260			_aBerlin _c1992 _bSpringer
942			_cBK