Gamma radiation in the reduction of Salmonella spp. inoculated on minimally processed watercress (Nasturtium officinalis) - Martins, Cecília Geraldes; Behrens, Jorge Herman; Destro, Maria Teresa; Franco, Bernadette Dora Gombossy de Melo; Vizeu, Dirceu Martins; Hutzler, Beatriz W.; Landgraf, Mariza (Radiation Physics and Chemistry, 2004)