000			00269nam a2200121Ia 4500
008			220811s9999 xx 000 0 und d
245			_aJOURNAL ON MATERIAL SCIENCE
260			_c2020-2020
500			_a"4,1,2,3"
500			_a"7,8"
500			_aJAN-SEP
942			_cBV
999			_c23619 _d23619