. _:b3917006 . . "1957" . _:b3903581 "1957"^^ . _:b3903581 . _:b3917006 . _:b3917007 . _:b3903582 . _:b3903581 . _:b3917007 "1957"^^ . . _:b3917007 . _:b3903582 . . _:b3917006 "1957"^^ . _:b3903582 "1957"^^ .