Backus Naur Form Big Name Fan Backus-Naur Form British National Formulary British Nuclear Forum British Nutrition Foundation Backus Normal Form Backus-Nauer Format Biological Nitrogen Fixation Bachus-Naur Form Besoin Net de Financement beta-naphthoflavone beta-naphtoflavone beta-Napthoflavone Bibliotheque national de France Bibliothèque Nationale de France Bibliothèque Nationale de France Bird's Nest filter B-naphthoflavone Bomb Nose Fuse bomb nose fuze brain natriuretic factor Braniff International Airways British Nuclear Fuels