Czechoslovak Journal of Physics
Czechoslovak Journal of Physics > 2002 > 52 > 1 > A57-A60
Czechoslovak Journal of Physics > 2002 > 52 > 2 > 279-282
Czechoslovak Journal of Physics > 2002 > 52 > 2 > 159-162
Czechoslovak Journal of Physics > 2002 > 52 > 1 > A57-A60
Czechoslovak Journal of Physics > 2002 > 52 > 2 > 279-282
Czechoslovak Journal of Physics > 2002 > 52 > 2 > 159-162