- Czechoslovak Journal of Physics 21 (1971) 1106-1113.
- Czechoslovak Journal of Physics 21 (1971) 979-982.
- Czechoslovak Journal of Physics 11 (1961) 883-885.
- Czechoslovak Journal of Physics 11 (1961) 463-465.
- Czechoslovak Journal of Physics 11 (1961) 360-368.
- Czechoslovak Journal of Physics 11 (1961) 1-9.
- Czechoslovak Journal of Physics 11 (1961) 171-178.