_:B0c9720a669c676d0b2dec46fe635c495 . "Christoph" . "Letkowski" . "Christoph Letkowski" . . . . "Letkowski, Christoph" . . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 "2023-05-22"^^ . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 "380602024" . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 . _:B0c9720a669c676d0b2dec46fe635c495 .