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Online since: November 2011
Authors: Yan Li, Na Meng
[4] Yan-qiu Zhang, Ang Li,Yan Li,Yan-wu Yang:Chinese Journal of Cina Water & Wastewater Vol.24(2008),p13-15, in Chinese
[5]Yan-qiu Zhang,Jie Zhang,Ao-tian Xu,Ruo-gu Li.ChineseJournal of China University of Mining & Technology Vol. 2 (2004),p197-199,204, in Chinese.
[5]Yan-qiu Zhang,Jie Zhang,Ao-tian Xu,Ruo-gu Li.ChineseJournal of China University of Mining & Technology Vol. 2 (2004),p197-199,204, in Chinese.