Journal of Biotechnology. Managing editor A. Fiechter. Elsevier. 12/yr. Dfl. 861, $347. Biotechnology Progress: A Journal of Food, Pharmaceutical and Bioengineering. Editor M. L. Shuler. American Institute of Chemical Engineers. 4/yr. US $50; elsewhere $55. MIRCEN Journal of Applied Microbiology and Biotechnology: A Research Journal for Biotechnology in the Developing World. Editors J.C. Senez and F. A. Skinner. Oxford University Press. 4/yr. UK £20; North America $45; elsewhere £25.