http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
International Conference on Travel Survey Methods 2004 : Herradura, Puntarenas, Costa Rica)
edited by Peter Stopher and Cheryl Stecher.
Selected and revised papers and summaries of workshop deliberations, from the 7th International Conference on Travel Survey Methods, held Aug. 1-6, 2004, in Herradura, Puntarenas, Costa Rica.