_:Bee1cbd999daf7ecb706218c73c570916 . "Ulrich" . "Krengel" . "1937"^^ . "Ulrich Krengel" . . . "Krengel, Ulrich (1937-)" . . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 "2023-05-20"^^ . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 "070965269" . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 . _:Bee1cbd999daf7ecb706218c73c570916 .