Description: Information concerning either the physical or electronic holdings of the cited work. Attributes include: location--The physical location where a copy is held; callno--The call number for a work at the location specified; and URI--A URN or URL for accessing the electronic copy of the cited work.
Example(s):
<holdings location="ICPSR DDI Repository" callno="inap." URI="http://www.icpsr.umich.edu/DDIrepository/"> Marked-up Codebook for Current Population Survey, 1999: Annual Demographic File</holdings> <holdings location="University of Michigan Graduate Library" callno="inap." URI="http://www.umich.edu/library/"> Codebook for Current Population Survey, 1999: Annual Demographic File </holdings>