7Crites,R.W.et al.1997.Removal of metals and ammonia Barber,L.,et al.1999.Transformation of dissolved organic carbon in constructed wetland systems.Project report,U.S.Dept.Interior,Bureau of Reclamation.in constructed wetlands.Water Environment Research,69(2).
8Geartheart,R.A.1993.Phosphorus removal in constructed wetland.Paper No.AC93-023-001.Presented at the 66th Annual WEFTEC Meeting,Anaheim,CA.
9Gersberg,RM.,et al.1984.The removal of heavy metals by artificial wetland.In:Proceedings Water Reuse Symposium,ⅢVol.2.AWWA Research Foundation,p.639.
10GersbeI,R.M.et al.1986.Role of aquatic plants in wastewater treatment by artificial wetland.Water Research 20(3):363.