http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
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Some issues also available from the NIJ web site. Address as of 3/27/03: http://www.ojp.usdoj.gov/nij/annrep.htm; current access is available via PURL.
Issued also in the Research report series, under title: Year in review.