_:b4151609 . _:b3963207 . _:b3931259 . _:b2108934 . _:b4151610 "1968"^^ . _:b2108935 "1968"^^ . _:b2108935 . _:b3963206 . _:b4151609 . _:b3963207 "1968"^^ . _:b3963206 . _:b2108934 "1968"^^ . . _:b3963206 "1968"^^ . _:b4151610 . _:b3963207 . "1968" . . _:b3931258 . . _:b4151609 "1968"^^ . _:b3931259 . _:b2108934 . _:b3931259 "1968"^^ . _:b4151610 . _:b3931258 "1968"^^ . . _:b2108935 . _:b3931258 .