_:B26f4e55e11a9500d9dd3bc321a178dd0 . . . "BSO"@nl . "Broad System of Ordering"@nl . "Classificatieschema ten dienste van informatienetwerken"@nl . . _:B26f4e55e11a9500d9dd3bc321a178dd0 . _:B26f4e55e11a9500d9dd3bc321a178dd0 "2021-09-24"^^ . _:B26f4e55e11a9500d9dd3bc321a178dd0 . _:B26f4e55e11a9500d9dd3bc321a178dd0 . _:B26f4e55e11a9500d9dd3bc321a178dd0 "078459974" . _:B26f4e55e11a9500d9dd3bc321a178dd0 . _:B26f4e55e11a9500d9dd3bc321a178dd0 . _:B26f4e55e11a9500d9dd3bc321a178dd0 .