1. Ball GD (1985) Clarification and Sterilisatrion. In: Spier RE, Griffiths (eds.) Animal Cell Biotechnology 2, Academic Press Inc. pp. 87-127.
2. Bell DJ, Hoarel M, Dunnill P (1983) The Formation of Protein Precipitates and Their Centrifugal Revovery. In: Fichter A (ed.) Advances in Biochemical Engineering / Biotechnology 26, Springer Verlag: 1-72.
3. Beifort G (1984) Synthetic Membrane Processes Fundamentals and Water Applications. Academic Press, Inc.
4. Belfort G (1988) Membranes and Bioreactors: A Technical Challenge in Biotechnology and Bioengineering 33: 1047–1066. Bioreactors: A Technical Challenge in Biotechnology.
5. Berthold W, Walter J (1994) Protein Purification: Aspects of Processes for Pharmaceutical Products. Biologicals 22: 135–150.