http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the proceedings of the 11th workshop of chemistry and biochemistry of herbicides
Chemistry and biochemistry of herbicides
Workshop of Chemistry and Biochemistry of Herbicides 1983 : Brandon, Manitoba)
edited by Paul N.P. Chow & Cynthia A. Grant.