. "Harold Clayton" . "Harold Clayton Urey" . "Urey, Harold Clayton (1893-1981)" . "1981"^^ . "Urey" . "1893"^^ . . _:B7ea5b07c0415a389a89f4a6f695ea832 . . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 "2023-05-21"^^ . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 "108192393" . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 . _:B7ea5b07c0415a389a89f4a6f695ea832 .