2Robert H, Kadlec. Chemical physical and biological cycle in treatment wetland[J]. Wat. Sci. Tech, 1999,40(3)37～44.
3Roshan R,Shrestha. A new step towards wastewater treatment in Nepal[J]. A Journal of the Environment, 2001,6 (7):234 ～241.
4Sundaravadivel M, Vigneswaran S. Constructed Wetlands for Wastewater Treatment[J]. Critical Reciews in Environmental Science and Technology,2001,31 (4):351～409.
5Hans B. Domacrophytes play a role in constructed treatment wetlands? [J]. Wat. Sci. Tech,1997,35(5):11 ～17.
6Scott W. Advanced designs for constructed wetland[J]. Biocycle,2001,42(6) :40～43.
7Volker L,Elke E, Martina L et al. Nutrient removal efficiency and resource economics of vertical flow and horizontal flow constructed wetlands[J]. Ecollogical Engineering, 2001,18: 157 ～171.
8Michael C K,Dennis B G,Subsurface flow constructed wetlands treating municipal wastewater for nitrogen transformation and renoval[J]. Water Environment Research, 1997,69(12) : 54～62.
9Garba L,Jacques B,Linda D et al. Nitrogen and phosphorus removal in a subsurface-flow reed bed[J]. Water Quality Research Journal of Canada, 1998,33(2) :319～329.
10Michael M,Robert H. The design and performance of a vertical flow reed bed for the treatment of high ammonia low suspended solids organic effluents[J]. Wat. Sci. Tech, 1997,35 (5): 197 ～204.
