1. Nanping Xu, Weihong Xing and Yijiang Zhao et al.: Inorganic membrane separation technology and application, (Chemical Industry Press, Beijing 2003), in Chinese.
2. Nanping Xu, Weihong Xing and Pei Wang: Journal of Membrane Science and Technology Vol. 20(2005), pp.23-27, in Chinese.
3. P. healey, Guangli Liu et al.: Membrane Technology in Water and Wastewater Treatment, (Chemical Industry Press, Beijing 2003), in Chinese.
4. Chunyan Ma, Danli Xi Yanmei Mao et al.: Journal of Dyeing and Finishing Vol. 18(2007), pp.31-33, in Chinese.
5. Chunyan Ma, Bo Yang, Jihua Chen et al.: Journal of Technology of Water Treatment Vol. 34(2008), pp.74-76, in Chinese.