Central European Journal of Physics
Central European Journal of Physics > 2009 > 7 > 2 > 332-339
Central European Journal of Physics > 2009 > 7 > 2 > 340-344
Central European Journal of Physics > 2009 > 7 > 2 > 332-339
Central European Journal of Physics > 2009 > 7 > 2 > 340-344