1. ATCC (1989) American Type Culture Collection Catalogue of bacteria and bacteriophages, 17th edn. ATCC, Rockville, Md.
2. Atkinson B, Davies IJ (1972) The completely mixed microbial film fermenter. Trans Inst Chem Eng 50:208–216
3. Characklis WG, Marshall KC (1990) Biofilms. Wiley, New York
4. Crueger W, Crueger C (1990) A textbook of industrial microbiology. Sinauer Associates, Sunderland, Mass.
5. Demain AL, Solomon NA (1986) Industrial microbiology and biotechnology. American Society for Microbiology, Washington, D. C.