http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Interaction of ozone and herbicides in soybeans
Corvallis Environmental Research Laboratory
"This report was submitted in fulfillment of contract number R-803072 by Mississippi Valley State University. Under the sponsorship of the U.S. Environment Protection Agency"--P. iv.
Research reporting series. EPA-600/3-78-047