000 00263nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a622 H333
100 _aHARTMAN,H.L
245 0 _aINTRODUCTORY MINING ENGINEERING
260 _aNEW YORK
_bWiley
942 _cBB
_2DDC
999 _c5708
_d5708