1. The Aging of Reservoir Waters;Purcell;Jour. AWWA,1939
2. Effects of Impoundments on Dissolved Oxygen Resources;Kittrell;Sewage and Ind. Wastes,1959
3. Effect of Storage Impoundment on Water Quality;Churchill;J. Sanit. Eng. Div., Proc. Am. Soc. Civil Engrs.,1957