_:B9864114266579cb0912ca1287a70f7b2 . "Stephan" . "Witasek" . "Stephan Witasek" . . . . "Witasek, Stephan" . . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 "2023-05-20"^^ . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 "069193398" . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 . _:B9864114266579cb0912ca1287a70f7b2 .