000 00257nam a2200109Ia 4500
008 211004s9999 xx 000 0 und d
245 _a"JOURNAL OF MINES METALS AND FUELS "
260 _c2016-2016
500 _a"1,2,3,4,5,6,7"
500 _a64
942 _cBV
999 _c21583
_d21583