1. Wilson CL, Wisniewski ME (eds) (1994) CRC Press, Boca Raton Florida 4:63–75
2. Gullion ML, Bonino M, Fioretta C, Garibaldi (1994) Mededelingen Facultit Landbouuwkundige Belgum en Toegepase Biologische Wetenschappen Universiteit Gent, Belgium 59:943–949
3. De Citrus F, Torriant S, Rossi F, De Cicco V (1996) Ann Microbiol Enzymol 46:45–55
4. Arras G, Demonns S, Sussarellu L (1996a) Annu Microbiol Enzimol 46:286–289
5. Arras G, Demonns S, Sussarellu L et al (1996b) Italus Hortus 3:27–31