http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluation of light traps and sex pheromone for control of cabbage looper and other lepidopterous insect pests of lettuce
by J. W. Debolt [and others] ; prepared by Science and Education Administration.
Technical bulletin (United States. Department of Agriculture) ; no. 1606