Also available via Internet from the NASA Technical Report Server web site. Address as of 7/19/05: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900012801%5F1990012801.pdf; current access available via PURL.
Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration, 1990]. 1 microfiche : negative.