_:Bba36e3b433eb59de7541c213e7a3adec . "Bjørn J." . "Bjørn J. Tysdahl" . "Tysdahl, Bjørn" . . . "1933"^^ . "Tysdahl, Bjørn J. (1933-)" . . "Tysdahl" . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec "2023-05-19"^^ . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec "070117640" . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec . _:Bba36e3b433eb59de7541c213e7a3adec .