"Prepared for Lewis Research Center under contract NAS3-23772."
Includes bibliographical references.
Also available via Internet from the NTRS web site. Address as of 6/20/05: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19910009861%5F1991009861.pdf; current access is available via PURL.
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration,] 1991. 3 microfiches.