_:b3939021 . . _:b3923662 "1972"^^ . . _:b3923663 "1972"^^ . _:b3923662 . _:b2088670 "1972"^^ . _:b3923663 . . _:b2088670 . _:b3939020 "1972"^^ . _:b2088671 "1972"^^ . _:b2088670 . . _:b3939020 . _:b3939021 "1972"^^ . _:b2088671 . _:b2088671 . _:b3939021 . _:b3923662 . _:b3939020 . "1972" . _:b3923663 .