[Washington, D.C.] : National Aeronautics and Space Administration ; [Springfield, Va, :] : [For sale by the National Technical Information Service], [1989]
Also available via Internet from the NASA Technical Report Server web site. Address as of 9/19/05: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900017507%5F1990017507.pdf ; current access is available via PURL.
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990]. 1 microfiche.