http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Floral and Nursery Plants Research Unit.
Title from title screen (viewed on Jan. 10, 2004).
"U.S. National Arboretum Plant Introduction, Floral and Nursery Plants Research Unit."
Mode of access: Internet from USNA web site. Address as of 1/10/04: http://www.usna.usda.gov/Newintro/DonEgolf.pdf; current access available via PURL.