1. Professor František Patočka, Septuagenarian

   • Ctirad John

   Announcement Pages: 345 - 348

2. The role of B and T lymphocytes in forming cell clones producing antibodies

   • J. Šterzl

   OriginalPaper Pages: 349 - 357

3. Effect of rifampicin and free amino acids on replication of DNA inLactobacillus acidophilus

   • J. Soška
   • V. Kuhrová
   • B. Koukalová

   OriginalPaper Pages: 358 - 366

4. Energetic aspects of spore germination in filamentous fungi

   • V. Šubíková
   • J. Šubík

   OriginalPaper Pages: 367 - 372

5. Studies on methanol-oxidizing yeast

   • O. Volfová
   • J. Panoš
   • K. Pecka

   OriginalPaper Pages: 373 - 377

6. Progesterone transformations as a diagnostic feature in the generaAlternaria, Stemphylium andCladosporium

   • A. Čapek
   • O. Fassatiová
   • O. Hanč

   OriginalPaper Pages: 378 - 380

7. Studies on the rhizosphere mycoflora of broad bean and cotton. Effect of fungal filtrate on plant growth

   • Y. A. Youssef

   OriginalPaper Pages: 381 - 385

8. Isolation and screening of microorganisms dissolving low-grade rock phosphate

   • M. C. Bardiya
   • A. C. Gaur

   OriginalPaper Pages: 386 - 389

9. Induction of bacteriophage lambda with oxolinic and nalidixic acid

   • D. Vihanová
   • V. Vondrejs

   Brief Reports Pages: 390 - 393

10. Carbon sources forAspergillus niger growth under different shaking programmes

    • N. S. Margaris
    • K. Mitrakos
    • S. Markou

    Brief Reports Pages: 394 - 396

11. Continuous cultivations of microorganisms

    • J. Řičica

    Review Pages: 397 - 436

12. Book reviews

    • H. Tlaskalová
    • J. Vraný
    • A. Kotyk

    BookReview Pages: 437 - 438