1. Editorial

   EditorialNotes Pages: 435 - 436

2. Announcements

   Announcement Pages: 437 - 438

3. The dynamics of cellulase synthesis in fusarium cultures: Influence of cellulose concentration in the culture media

   • Zdzisław Targonski
   • Czesław Szajer

   OriginalPaper Pages: 439 - 444

4. Halophilic n-alkane utilizing yeast from the Arabian gulf

   • H. S. Pal
   • L. Khosrawi
   • C. Bond

   OriginalPaper Pages: 445 - 450

5. Non uniform enzyme distribution inside carriers

   • K. Buchholz

   OriginalPaper Pages: 451 - 456

6. Effect of surface active agents on microbial culture

   • A. O. Akinsola
   • D. A. J. Wase

   OriginalPaper Pages: 457 - 460

7. Selection of yeast strains with a view to the production of protein on inulin

   • Joseph P. Guiraud
   • Carole Devouge
   • Pierre Galzy

   OriginalPaper Pages: 461 - 464

8. A deactivation model involving pH for immobilized and soluble enzymes

   • Ajit Sadana

   OriginalPaper Pages: 465 - 470

9. Effect of DL-ethionine on the biosynthesis of anthracyclines inStreptomyces coeruleorubidus

   • M. Blumauerova
   • J. Jizba
   • Z. Vaněk

   OriginalPaper Pages: 471 - 476

10. Forthcoming papers

    Announcement Pages: 478 - 478