http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Southwestern willow flycatcher breeding site and territory summary, 2006
Title from title screen (viewed on Jan. 4, 2008).
Mode of access: Internet from the USGS web site. Address as of 1/4/08: http://pubs.usgs.gov/of/2007/1391/of2007-1391.pdf ; current access via PURL.