1. On the Rayski formulation of the laws of conservation in general relativity

   • J. Horský

   Original Papers Pages: 175 - 179

2. On the spontaneous breakdown of γ₅-invariance and parity nonconserving interactions

   • J. Stern
   • A. Vančura

   Original Papers Pages: 180 - 185

3. An analytical expression of the amplitude of stripping reaction in the coulomb approximation

   • J. Cejpek

   Original Papers Pages: 186 - 193

4. Exciton-exciton “collisions” in crystals

   • F. čulik

   Original Papers Pages: 194 - 206

5. On the time reversal in crystals of low point symmetry

   • V. Frei

   Original Papers Pages: 207 - 227

6. Electron cyclotron instability

   • K. Jungwirth
   • J. Preinhaelter

   Original Papers Pages: 228 - 233

7. The bound state of two-electrons in crystals

   • A. Weissmann
   • D. Demco

   Original Papers Pages: 234 - 239

8. Work-hardening of metal crystals

   • P. Feltham

   Original Papers Pages: 240 - 248

9. The elastic scattering of proton on proton at an energy of 8 GeV

   • L. Rob

   Original Papers Pages: 249 - 254

10. Determination of the change in effective stress during plastic deformation

    • B. Vlach

    Letters to the Editor Pages: 255 - 258

11. Book reviews

    • V. Santholzer
    • Jan Vlachý

    BookReview Pages: 258 - 260

12. New books

    BookReview Pages: 261 - 262

13. Report on Third Czechoslovak Conference on Electronics and Vacuum Physics

    • L. Eckertová

    Reports Pages: 262 - 264

14. XVII International Astronautical Congress Madrid, 10–15 October 1966

    • P. Contensou

    Reports Pages: 264 - 264

15. Fourth International Betatron Symposium Prague, September 5–10, 1966

    • M. Seidl

    Reports Pages: 265 - 265

16. 7th Uniatec Congress, 2nd Interkamera Symposium Prague, June 13–17, 1966

    Reports Pages: 265 - 266