1. Different genetic and cellular responses to negative pimesons (peak and plateau) in dependence on intrinsic properties of reaction systems: A new concept of RBE

   • Hedi Fritz-Niggli
   • H. Blattmann

   OriginalPaper Pages: 95 - 108

2. The RBE of 30 kV X-rays for the induction of dicentric chromosomes in human lymphocytes

   • R. P. Virsik
   • D. Harder
   • I. Hansmann

   OriginalPaper Pages: 109 - 121

3. Computation of microdosimetric distributions for small sites

   • D. Chmelevsky
   • A. M. Kellerer

   OriginalPaper Pages: 123 - 136

4. Investigations on radical formation and inactivation of suspended trypsin afterγ-irradiation

   • H. W. Nemec
   • H. Mönig

   OriginalPaper Pages: 137 - 145

5. Biological damage in testis by Iodine-125 in partially blocked thyroid of rats

   • G. S. Gupta
   • V. K. Chopra

   OriginalPaper Pages: 147 - 152

6. Microcalorimetric investigations of the metabolism of yeasts

   • B. Schaarschmidt
   • I. Lamprecht

   OriginalPaper Pages: 153 - 160

7. The evidence for one-hit chromosome exchanges

   • A. A. Edwards

   Short Communication Pages: 161 - 165

8. Announcement

   Announcement Pages: i - i