Xiang Chen
Chen, Xiang, Weiqi Zhou, Steward T. A. Pickett, Weifeng Li, and Lijian Han. 2016. “Spatial-Temporal Variations Of Water Quality And Its Relationship To Land Use And Land Cover In Beijing, China”. International Journal Of Environmental Research And Public Health 13 (5): 449. doi:10.3390/ijerph13050449.
Chen, Xiang, Weiqi Zhou, Steward T. A. Pickett, Weifeng Li, Lijian Han, and Yufen Ren. 2016. “Diatoms Are Better Indicators Of Urban Stream Conditions: A Case Study In Beijing, China”. Ecological Indicators 60: 265 - 274. doi:10.1016/j.ecolind.2015.06.039.