http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
agreement between the United States of America and Canada,signed at Ottawa, April 28, 2006
1 online resource (13 unnumbered pages).
Title from title screen (viewed on July 3, 2012).
North American Aerospace Defense Command.
Treaties and other international acts series ; 06-512