000 00259nam a2200109Ia 4500
008 211004s9999 xx 000 0 und d
245 _a"JOURNAL OF MINES METALS AND FUELS "
260 _c2015-2015
500 _a"1,2,3,4,5,6,7,8"
500 _a63
942 _cBV
999 _c21581
_d21581