http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
by Metcalf & Eddy Inc., University of Florida, Gainesville, Water Resources Engineers, Inc. for the Environmental Protection Agency ; Lager, John A., Pyatt, Edwin E., and Shubinski, Robert P.
Contract number 14-2-501 project number 11024EBI, contract number 14-12-502 project number 11024DOC, contract number 14-12-503 project number 11024EBJ.
Water pollution control research series ; 11024DOC07/71