. "material things (BBT)"@en . _:b1 . _:b1 "Initiale Version"@de . _:b1 "2018-12-11T14:54:59+01:00" . _:b1 "Lena Vitt" . _:b2 . _:b2 "Lena Vitt" . _:b2 "2018-12-11T15:00:49+01:00" .