Distributed to depository libraries in print version, ending with 2001. Paper version available for sale by the Supt. of Docs., U.S. G.P.O. Description based on: 2001; title from title screen (publisher's web site viewed on Oct. 26, 2004 ).
Mode of access: Internet at the Pollux NIMA web site. Address as of 10/26/04: ttp://pollux.nss.nima.mil/pubs/pubs%5Fj%5Fshow%5Fsections.html?dpath=DBP&ptid=5&rid=189; current access is available via PURL.