. "1918"^^ . "Helén" . . . "Gunnar" . . "Gunnar Helén" . "Helén, Gunnar (1918-2002)" . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . "2002"^^ . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 "2023-05-21"^^ . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 "12540509X" . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 . _:B469f2c62e6ad5c3c78f79bdb0bad9cd8 .