%0 Journal Article
%T Two New Types of Multiple Granulation Rough Set
%A Weihua Xu
%A Xiaoyan Zhang
%A Wenxiu Zhang
%J ISRN Applied Mathematics
%D 2013
%I Hindawi Publishing Corporation
%R 10.1155/2013/791356
%U http://dx.doi.org/10.1155/2013/791356