1. Makers of bioprocess engineering

   • K. Schügerl

   Editorial Pages: 121 - 121

2. Continuous production of citric acid in the reciprocating-jet-bioreactor

   • St. Daniel
   • H. Brauer

   Originals Pages: 123 - 127

3. Microbial production of xylitol from D-xylose using Candida tropicalis

   • S. S. da Silva
   • A. S. Afschar

   Originals Pages: 129 - 134

4. A robust fed-batch feeding strategy for optimal parameter estimation for baker's yeast production

   • A. O. Ejiofor
   • C. H. Posten
   • W. -D. Deckwer

   Originals Pages: 135 - 144

5. Interpretation of the gas residence time distributions in large stirred tank reactors

   • H. M. Rüffer
   • A. Pethö
   • W. D. Deckwer

   Originals Pages: 145 - 152

6. Interpretation of gas residence time distributions in large airlift tower loop reactors

   • H. M. Rüffer
   • Liwei Wan
   • K. Schügerl

   Originals Pages: 153 - 159

7. Oxygen controlled batch cultivations of Schizophyllum commune for enhanced production of branched β-1,3-glucans

   • U. Rau
   • C. Brandt

   Originals Pages: 161 - 165

8. Reactor comparison and scale-up for the microaerobic production of 2,3-butanediol by Enterobacter aerogenes at constant oxygen transfer rate

   • T. -G. Byun
   • A. -P. Zeng
   • W. -D. Deckwer

   Originals Pages: 167 - 175

9. Makers of bioprocess engineering

   • K. Schügerl

   Pages: 121 - 122