edited by A. Fiechter, S. Aiba, B. Atkinson, E. Bylinkina, Ch. L. Cooney, H. Dellweg, A.L. Demain, S. Fukui, K. Kieslich, R.M. Lafferty, K. Mosbach, H.J. Rehm, P.L. Rogers, H. Sahm, K. Schügerl, H. Suomalainen, S. Suzuki, H. Taguchi, G.T. Tsao
The formation of protein precipitates and their centrifugal recovery -- Ultrafiltration for the separation of biocatalysts -- Molecular cloning in heterologous systems -- Production of L-tryptophan by microbial processes