"Keith C. Clarke" . _:B2fd3f246ca10aaf49e196f42e31cae14 . "Clarke, Keith C. (1955-)" . . . "Keith C." . . "Clarke" . "1955"^^ . . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 "2023-05-19"^^ . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 "297516922" . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 . _:B2fd3f246ca10aaf49e196f42e31cae14 .