http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluation of operation and maintenance factors limiting biological wastewater treatment plant performance
Municipal Environmental Research Laboratory
xvii, 150 pages : illustrations ; 28 cm.
by Albert C. Gray, jr., Paul E. Paul, Hugh D. Roberts.
Prepared by Gannett Fleming Corddry and Carpenter, Inc., under contract number 68-03-2223.
Research reporting series. EPA-600/2-79-078