_:B4fb1b52e49c347752f3c91ff92efdc31 . . . "John Aitchison" . "Aitchison, John (1926-)" . . . "1926"^^ . "Aitchison" . "John" . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 "2023-05-21"^^ . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 "068616708" . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 . _:B4fb1b52e49c347752f3c91ff92efdc31 .