000 | 00369nam a2200121Ia 4500 | ||
---|---|---|---|
008 | 190711s9999 xx 000 0 und d | ||
082 | _a622.3302854 W246 | ||
100 | _aWANG,Y.J | ||
245 | 0 | _aUSE OF COMPUTERS IN THE COAL INDUSTRY FIRST CONFERENCE PROCEEDINGS(WEST VIRGINIA | |
260 |
_aNEW YORK _bSOCIETY OF MINING ENGINEERS _c1983 |
||
300 | _a29X23 | ||
942 |
_cBK _2DDC |
||
999 |
_c22080 _d22080 |