_:B520a45d86121c58d70269583568dd744 . "Richard C." . "Levin" . "Richard C. Levin" . . . . "Levin, Richard C." . . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 "2023-05-20"^^ . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 "072799668" . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 . _:B520a45d86121c58d70269583568dd744 .