1. Livestock manure nutrient assessment in North Carolina. 98-106;Barker,1995
2. Guidelines for design, construction, and operation of constructed wetlands for livestock wastewater treatment;Hammer,1994
3. Constructed wetlands for treatment of swine wastewater from an anaerobic lagoon;Hunt;Trans. ASAE,2002
4. Treatment Wetlands;Kadlec,1996
5. Constructed wetlands for livestock wastewater management;Knight;Ecol. Eng.,2000