000 00290nam a2200109Ia 4500
008 160710s1963 xx 000 0 und d
100 _aKONERR,ALVIN W. ED
245 _aENGINEERING AND MINING JOURNAL
260 _bMCGRAW HILL PUBLISHING COMPANY INC
_c1963
300 _a196
942 _2ddc
_cB
999 _c33796
_d33796