000 00255nam a2200097Ia 4500
008 160710s1962 xx 000 0 und d
245 _aENGINERING AND MINING JOURNAL
260 _aNEW YORK
_bA MCGRAW HILL PUBLICATION
_c1962
300 _a175
942 _2ddc
_cB
999 _c33795
_d33795