http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Ecology of the green peach aphid as a vector of beet western yellows virus of sugarbeets
by George Tamaki, Lee Fox, and B. A. Butt ; prepared by Science and Education Administration.
Technical bulletin (United States. Department of Agriculture) ; no. 1599