1. Editorial

   • Heinz Brauer

   EditorialNotes Pages: 1 - 1

2. A man at the cradle of bioprocess engineering

   Announcement Pages: 2 - 2

3. Stability analysis of a binary culture chemostat experiencing biofilm formation

   • J. D. Bryers

   Originals Pages: 3 - 11

4. Aerobic two-stage biological degradation of organic carbon compounds and ammonium

   • H. Brauer
   • R. Hennig

   Originals Pages: 13 - 22

5. Bioprocess engineering characteristics of the horizontal stirred tank

   • W. Küng
   • A. Moser

   Originals Pages: 23 - 28

6. Hydrodynamic effects on cells in agitated tissue culture reactors

   • R. S. Cherry
   • E. T. Papoutsakis

   Originals Pages: 29 - 41

7. Microporous membranes in biotechnical application

   • S. Ripperger
   • G. Schulz

   Originals Pages: 43 - 49

8. Announcements

   Announcement Pages: 50 - 50