_:Ba6ab10acf055e0e6fb558550cb46d63f . "Volker" . "Halbach" . "Volker Halbach" . . . . "Halbach, Volker" . . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f "2023-05-21"^^ . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f "158661303" . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f . _:Ba6ab10acf055e0e6fb558550cb46d63f .