Some v. also available via the Internet from the NDU web site. Address as of 8/7/02: http://www.ndu.edu/inss/press/ndup3.html; current access available via PURL.
Microfiche. <1999>-2001. [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., -2002. microfiches : negative.