1. American Public Health Association. 1992. Standard Methods for the Examination of Water and Wastewater – Total and Volatile Solids (SM 2540G). 18th ed. Washington, DC.
2. American Public Health Association. 1992. Standard Methods for the Examination of Water and Wastewater – Total Kjeldahl Nitrogen (SM-4500-NH3C-TKN). 18th ed. Washington, DC.
3. American Public Health Association. 1992. Standard Methods for the Examination of Water and Wastewater – Ammonia-Nitrogen (SM-4500-NH3C). 18th ed. Washington, DC.
4. American Public Health Association. 1992. Standard Methods for the Examination of Water and Wastewater – Nitrate-Nitrogen (SM-4500-NO3F). 18th ed. Washington, DC.
5. Mineralization and N Fertilizer Equivalent Value of Composts as Assessed by Tall Fescue(Festuca arundinacea)