1. Phosphorus sorption by three cultivated Savanna alfisols as influenced by pH;Agbenin;Fert. Res.,1996
2. Standard Methods for Examination of Water and Wastewater,1985
3. Phosphorus Removal by Wollastonite: A Constructed Wetland Substrate. Unpublished MS Thesis;Brooks,1997
4. Buckley, M., 1997. NYCO Minerals Inc., 124 Mountain View Drive, Willsboro, NY 12996. Personal communications.
5. Selection Of Substrate For Phosphorus Adsorption In Artificially Constructed Wetlands. Unpublished National Science Foundation/Research Experience for Undergraduates Report;Corrigan,1993