http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Nearctic pine tip moths of the genus Rhyacionia, biosystematic review
1 online resource (51 pages) : illustrations, maps.
by Jerry A. Powell and William E. Miller.
Title from title screen (viewed on Sept. 28, 2012).
Includes bibliographical references (pages 32-33).
Agriculture handbook (United States. Department of Agriculture) ; no. 514