1. Editorial

   EditorialNotes Pages: 387 - 388

2. Announcements

   Announcement Pages: 389 - 389

3. Denitrification kinetics in a fluidised bed using methanol as the carbon source

   • R. B. Gauntlett

   OriginalPaper Pages: 391 - 396

4. Xanthine oxidase activity of arthrobacter x-4 cells immobilized in glutaraldehyde-crosslinked gelatin

   • J. Tramper
   • H. C. Van der Plas
   • W. J. Middelhoven

   OriginalPaper Pages: 397 - 402

5. Ethanol production by yeast at supraoptimal temperatures

   • P. G. Krouwel
   • L. Braber

   OriginalPaper Pages: 403 - 408

6. Inactivation of glucosyltransferase ofAspergillus niger with subtilisin

   • D. Kobrehel
   • I. Alajbeg

   OriginalPaper Pages: 409 - 414

7. Comments on the “Maintenance coefficient” changes during alcohol fermentation

   • G. Goma
   • R. Moletta
   • M. Novak

   OriginalPaper Pages: 415 - 420

8. Ethanol production byZymomonas mobilis in continuous culture at high glucose concentrations

   • Kye Joon Lee
   • D. E. Tribe
   • P. L. Rogers

   OriginalPaper Pages: 421 - 426

9. Measurement of bubble size distribution in fermentors

   • L. Brentrup
   • U. Onken

   OriginalPaper Pages: 427 - 432

10. Forthcoming papers

    Announcement Pages: 434 - 434