[Washington, D.C.] : NASA ; [St. Louis, Mo.] : US Army Aviation Systems Command ; [Springfield, Va. :] : [For sale by the National Technical Information Service], [1989]
"Performing organization report no.: E-5049"--Technical rept. documentation p.
Includes bibliographical references (page 97).
Also available via Internet from the NASA Technical Report Server web site. Address as of 5/18/06: http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19900004469%5F1990004469.pdf; current access available via PURL.
Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1990]. 2 microfiches : negative.