Skogerboe, Gaylord V. <br/><br/>
Selected irrigation return flow quality abstracts 1968-1969-. first annual issue / by Gaylord V. Skogerboe, Venus T. Sa-hni, Wynn R. Walker 

 - Washington, D.C. : Environmental Protection Agency 
 - [218] p. 
 - Environmental protection technology series EPA-R2-72-094 .