http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
vi, 179 pages : illustrations (some folded), maps (some folded) ; 28 cm.
Constance R. Dunham, Denise M. Jarvinen.
Research report (Federal Reserve Bank of Boston) ; no. 69