학술논문
IJC 120: Drynan, W. R. and M. J. Davis. Application Of The Universal Soil Loss Equation To The Estimation Of Nonpoint Sources Of Pollutant Loadings To The Great Lakes. Submitted to the International Reference Group On Great Lakes Pollution From Land Use Activities of the International Joint Commission. (PLUARG 78-003) (Windsor, Ontario): July 1978.