1. DNS/DNS-Homologiestudien innerhalb der Gattung Pediococcus;Back;Arch. Microbiol.,1978
2. Sur les ferment lactiques de l’industrie;Beijerinck;Arch. Néer Sci. (Sect. 2),1901
3. Bergey's Manual of Determinative Bacteriology;Bergey,1923
4. Bergey's Manual of Determinative Bacteriology;Bergey,1934
5. Microbiologia dei fermenti lattici. 3. Tassonomia: Recenti acquisizioni;Bottazzi;J. Ital. Dairy Sci. Ass.,1977