1. Meetings calendar

   Events Pages: 299 - 300

2. On diffusional control in the disc fermenter

   • Ian A. Webster

   OriginalPaper Pages: 301 - 302

3. Determination of the maintenance energy of Klebsiella aerogenes growing in continuous culture

   • A. Djavan
   • A. M. James

   OriginalPaper Pages: 303 - 308

4. Simultaneous production of cellulase complex and glucose isomerase by Streptomyces flavogriseus

   • D. Kluepfel
   • L. Biron
   • M. Ishaque

   OriginalPaper Pages: 309 - 314

5. Computer controlled transient state in a fed batch culture

   • R. Guthke
   • G. Gira
   • W. A. Knorre

   OriginalPaper Pages: 315 - 320

6. Reduced utilization of side-chain precursor for penicillin biosynthesis by mutants of Penicillium chrysogenum

   • Richard C. Egen
   • S. G. Pathak

   OriginalPaper Pages: 321 - 326

7. The significance of oxygen uptake rates on the operation of activated sludge systems

   • C. F. Forster
   • M. Surendra
   • S. Watt

   OriginalPaper Pages: 327 - 332

8. Patenting the products of genetic engineering (III)

   • Harold C. Wegner

   OriginalPaper Pages: 333 - 333

9. Courses etc.

   Announcement Pages: 334 - 334