http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Effect of pretreatment on the filtration of low turbidity secondary effluent
Municipal Environmental Research Laboratory
by Leon S. Directo, Ching-lin Chen, Robert P. Miele.
Prepared by Los Angeles County Sanitation Districts, under contract number 14-12-150.
Research reporting series. EPA-600/2-80-148