http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
critical issues in biological control : proceedings of a USDA/CSRS national workshop held at the National Wildlife Federation, Laurel Ridge Conservation Education Center, Vienna, Virginia, 10-12 June, 1991
Institute of Food and Agricultural Sciences.
editors, R. Charudattan and H.W. Browning.
"In cooperation with USDA/ARS, USDA/APHIS, EPA, industries, environmental groups, state departments of agriculture, and other agencies."
Issued with supplement: Directory of biological control / compiled by Harold W. Browning and R. Charudattan.