000 00261nam a2200121Ia 4500
008 211004s9999 xx 000 0 und d
245 _aMINES METALS AND FUELS
260 _c2018-2018
500 _a"4,6,7,8"
500 _a66
500 _aMAY-AUG
942 _cBV
999 _c21717
_d21717