000 00310nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.3302854 W2461
100 _aWANG,Y.J
245 0 _aUSE OF COMPUTERS IN THE COAL INDUSTRY
260 _aBoston
_bA.A. Balkema
_c1986
300 _a26X18
942 _cBK
_2DDC
999 _c20500
_d20500