"Materialuntersuchungen"@de . . . . "Farbstoffuntersuchungen"@de . . _:b1 . _:b1 "Lena Vitt" . _:b1 "2017-08-09T18:25:07+02:00" . _:b2 . _:b2 "Annika Kirscheneder" . _:b2 "2020-10-20T14:31:23+02:00" . "von RGK: Farbstoff-/Pigmentuntersuchungen"@de . .