. "Kuiper, Jan Pieter" . "Kuiper" . . . "1922"^^ . . _:B878f8bf72ded2d2c1fbe6750678c50fd . "Kuiper, Johannes Peter" . "J.P. Kuiper" . "J.P." . "Kuiper, J.P. (1922-)" . "Kuiper, Pieter Jan" . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd "2023-05-22"^^ . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd "068251610" . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd . _:B878f8bf72ded2d2c1fbe6750678c50fd .