1. An analysis of the influence of human activity and climate change on water resources of the North China Plain;Yu-hong FEI;Acta Geoscientica Sinica,2007
2. The application and existed problems of Nemero Index in groundwater quality evaluation;Zhao-jun GU;Environmental Protection Science,2002
3. Temporal evolution of groundwater composition in an alluvial aquifer (Pisuerga River, Spain) by principal component analysis;B Helena;Water Research,2000
4. Application of an improved grey clustering method to groundwater quality evaluation;Ya-song LI;Water Resources Protection,2012
5. Groundwater quality and contamination characteristics in the Hutuo River Plain Area, Hebei Province;Ya-song LI;Acta Geoscientica Sinica,2014