http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Expert systems for automated maintenance of a Mars oxygen production system
by Robert L. Ash, Jen-Kuang Huang,and Ming-Tsang Ho.
Also available via Internet from the NASA Technical Report Server web site. Address as of 8/30/05: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900012899%5F1990012899.pdf ; current access is available via PURL.
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990]. 2 microfiches.