_:B0ff73e3b8adbea8b0a2db5413e86c92b . . "537.6"^^ . . . "magnetisme"@nl . . . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b "2021-09-24"^^ . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b "075614502" . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b . _:B0ff73e3b8adbea8b0a2db5413e86c92b .