Central European Journal of Physics
Central European Journal of Physics > 2011 > 9 > 2 > 510-514
Central European Journal of Physics > 2011 > 9 > 2 > 354-359
Central European Journal of Physics > 2011 > 9 > 2 > 510-514
Central European Journal of Physics > 2011 > 9 > 2 > 354-359