000 00323nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a622.2 B222
100 _aDING,B
245 0 _aEXAMINING THE PLANNING STAGES IN UNDERGROUND METAL MINES
260 _aAnn Arbor
_bUMI
_c2001
300 _a256p.,23X18Cms
942 _cBK
_2DDC
999 _c30084
_d30084