J. Zhang, W. Huang and L. H. Sang, “The Water Purification Ability of Plants on Floating Bed and Its Influencing Factors,” Journal of Yangtze River Scientific Research Institute, Vol. 28, No. 12, 2011, pp. 242-245.
 L. M. Wu, H. B. Cong and X. F. Wang, “Effect of Three Kinds of Floating-Bed Plants and Artificial Plants on Nitrogen and Phosphorus Removal in Water,” Environmental Science and Technology, Vol. 23, No. 3, 2012, pp. 12-16.
 G. P. Gu, L. Y. Zhou and S. Wang, “Primary Study on the Removal Efficiency of Nitrogen and Phosphorus of Eutrophic Water Body by Planted Float Ipomoea Aquatica Forsk,” Auhui Agricultural Science Bulletin, Vol. 14, No. 19, 2008, pp. 134-137.
 H. Xu, H. Z. Chen, Q. Q. Xiong and B. Z. Wang, “Studies on the Efficiencies and Mechanisms of N and P Removal in Macrohydrophyte Ponds,” Journal of Harbin University of C.E. & Architecture, Vol. 32, No. 4, 1999, pp. 33-47.