_:Bb447129a4806b2f97619e347caad1e3b . "David Leigh" . "Clark" . "1931"^^ . "David Leigh Clark" . . . "Clark, David Leigh (1931- ; paleontologie)" . . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b "2023-05-22"^^ . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b "074063839" . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b . _:Bb447129a4806b2f97619e347caad1e3b .