1. Current status of, and prospects for, immobilized biocatalyst technology in China

   • Kaiyu Yang

   Review Paper Pages: 421 - 426

2. Isolation and characterization of nonheterocystous tropical cyanobacteria growing on nitrogen-free medium

   • P. A. Reynaud
   • C. Franche

   Research Papers Pages: 427 - 443

3. Screening for extracellular enzymes of fungi from manufacturing wastes

   • T. K. Tan
   • W. F. Leong

   Research Papers Pages: 445 - 452

4. Isolement et sélection de souches d'actinomycètes productrices de substances antifongiques de structure non-polyénique

   • A. Bastide
   • M. de Méo
   • G. Duménil

   Research Papers Pages: 453 - 466

5. Cellulolytic activities ofTrichoderma hamatum grown on different carbon substrates

   • T. K. Tan
   • H. H. Yeoh
   • K. Paul

   Research Papers Pages: 467 - 472

6. Glucoamylases of a fungus isolated from a rotting cassava tuber

   • O. Bhumibhamon

   Research Papers Pages: 473 - 482

7. Effect of carbon source on aroma production byTrichoderma viride

   • F. M. Yong
   • G. Lim

   Short Communications Pages: 483 - 487

8. Biogas production from coffee pulp juice using packed reactors: scale-up experiments

   • J. F. Calzada
   • C. Rolz
   • J. E. Godoy

   Short Communications Pages: 489 - 492

9. A new and simplified method for the determination of ergot alkaloids

   • Yu-mei Chen
   • Shih-I Lu

   Short Communications Pages: 493 - 498

10. Code number for new genera and species of bacteria. List No. 5

    • J. E. Haines
    • V. B. D. Skerman

    Short Communications Pages: 499 - 502

11. Announcements

    Announcement Pages: 503 - 504