_:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 "2023-05-21"^^ . _:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 "072766611" . _:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 . _:Bb752c84fb5803b8c9732d2f403dabf89 . "Duerbeck" . . "Hilmar W." . . "Duerbeck, Hilmar W. (1948-)" . "Hilmar W. Duerbeck" . . _:Bb752c84fb5803b8c9732d2f403dabf89 . "1948"^^ . .