http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Evaluation of three survey methods for determining spruce-fir mortality caused by eastern spruce budworm
Evaluation of 3 survey methods for determining spruce-fir mortality caused by eastern spruce budworm
Report (United States. Forest Pest Management. Methods Application Group) ; 85-2