EXEC/OP reference manual
Subtitle: version 1.2
By: by Lewis A. Rossman
Contributors: Municipal Environmental Research Laboratory
Publisher: U.S. Environmental Protection Agency, Research and Development, Municipal Environmental Research Laboratory, Office of Research and Development; Center for Environmental Information [distributor]
Published: 1980
Place of publication: Cincinnati, Ohio
Language: eng
Subjects: Sewage disposal -- Computer programs
Notes: Caption title

At head of title: Project summary

"Nov. 1980."

"EPA-600/PS2-80-l82."