5House C H. Combining constructed wetlands and aquatic and soil filter for reclamation and reuse of water. Ecol Eng,1999, 12:27-38.
6Brix H. Use of constructed wetland in water pollution control: Historical development, present status, and future perspectives. War Sic Tech, 1994, 30(8):209-223.
7Cooper P The design and performance of a nitrifying vertical flow reed bed treatment system. Wat Sic Tech, 1997, 35 (5) :215-221.
8Shalla Gray. The nutrient assimilative capacity of maeral as a substrate in constructed wetland systems for waste treatment. Water Research, 2000, 34(8):2183-2190.
9Fennessy MS, Cronk J K, Mitsch W J. Macrophyte productivuty and community development in created freshwater wetlands under experimental hydrological conditions. Ecol Eng, 1994,3(3):469-484.
10Brix H. Treatmen of wasterwater in the rhizosphere of wetland plants-The root-zone method. Wat Sci Technol,1987,19:107-118.
