000			00249nam a2200109Ia 4500
008			240914s9999 xx 000 0 und d
245			_aJOURNAL OF MINES METALS AND FUELS
260			_c2023-2023
500			_a"3,4"
500			_aMAR-APR
942			_cBV
999			_c24459 _d24459