_:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 "2023-05-21"^^ . _:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 "071703411" . _:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 . _:Bdf20ee455be7edc6e531ad7b68f00385 . . _:Bdf20ee455be7edc6e531ad7b68f00385 . . "1891"^^ . "Jeffreys, Harold (1891-1989)" . "Harold" . "Jeffreys" . . . "1989"^^ . "Harold Jeffreys" . "Sir"@nl .