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Niels_Bukh

Niels Bohr Niels Kaj Jerne Niels Henrik Abel Medali Emas Internasional Niels Bohr Niels Dybeck Niels Erik Nørlund Niels Mulder Niels Fleuren Niels Ryberg Finsen Niels dari Denmark Niels Shoe Meulman Aage N. Bohr