_:B1c810776ddfac8611a00534cb0d0674f . "Martin L." . "Perl" . "1927"^^ . "Martin L. Perl" . . . "Perl, Martin L. (1927-)" . . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f "2023-05-21"^^ . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f "068635079" . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f . _:B1c810776ddfac8611a00534cb0d0674f .