%0 Journal Article
%T Cosmic Ray Variability: Century of Its Observations
%A Karel Kudela
%A Badruddin
%A Jos¨¦ F. Vald¨¦s-Galicia
%J Advances in Astronomy
%D 2013
%I Hindawi Publishing Corporation
%R 10.1155/2013/680435
%U http://dx.doi.org/10.1155/2013/680435