1. Boris Rajewsky 1893–1974

   • H. Muth

   Announcement Pages: 3 - 3

2. The action of ionizing radiation on DNA in the presence of quinacrine

   • A. Hissung
   • H. Dertinger
   • G. Heinrich

   OriginalPaper Pages: 5 - 12

3. The action of ionizing radiation on DNA in the presence of quinacrine

   • A. Hissung
   • H. Dertinger

   OriginalPaper Pages: 13 - 22

4. DNA-synthesis in synchronized L-cells after irradiation during the G₁-phase of the cell cycle

   • K. König
   • W. A. Linden
   • L. v. Canstein

   OriginalPaper Pages: 23 - 30

5. Analysis of PCP-data to determine the fraction of cells in the various phases of cell cycle

   • Heinz Baisch
   • Wolfgang Göhde
   • Walfried A. Linden

   OriginalPaper Pages: 31 - 39

6. Immunological recognition of specific antigenic determinants in UV- and gamma-irradiated phage DNA

   • G. Hotz

   OriginalPaper Pages: 41 - 50

7. Triplet state quenching by photoinduced radicals in the sensitized ethanol photolysis

   • Harald Neubacher
   • Walter Walla

   OriginalPaper Pages: 51 - 59

8. Concepts of microdosimetry

   • A. M. Kellerer
   • D. Chmelevsky

   OriginalPaper Pages: 61 - 69

9. A simplified theory of pearl chain effects

   • Chia-lun J. Hu
   • Frank S. Barnes

   OriginalPaper Pages: 71 - 76

10. Microphotometry as a tool for automatic scanning of solid state nuclear track detectors

    • B. Kienzler
    • E. Polig

    Short Communication Pages: 77 - 80

11. Effect of dose rate and exposure time on the stimulation effect of tube growth ofPinus Silvestris pollen

    • L. Zelles
    • I. Fendrik

    Short Communication Pages: 81 - 84

12. Forthcoming meeting

    News Pages: 184 - 184