000 00249nam a2200109Ia 4500
008 240914s9999 xx 000 0 und d
245 _aJOURNAL OF MINES METALS AND FUELS
260 _c2023-2023
500 _a"1,2"
500 _aJAN-FEB
942 _cBV
999 _c24458
_d24458