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Niels_Abel

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