%0 Journal Article
%T Hydrochemical Formation Mechanisms and Quality Assessment of Groundwater with Improved TOPSIS Method in Pengyang County Northwest China
%A Li Peiyue
%A Qian Hui
%A Wu Jianhua
%J Journal of Chemistry
%D 2011
%I Hindawi Publishing Corporation
%R 10.1155/2011/251918
%U http://dx.doi.org/10.1155/2011/251918