Advanced transportation system studies.
Subtitle: interim final report, DRs-4,8,9
By: William D. Sproul.
Contributors: United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA CR-193863.; NASA contractor report -- NASA CR-193863.
Publisher: Rockwell International, Rocketdyne Division; National Aeronautics and Space Administration; National Technical Information Service, distributor
Published: 1993
Place of publication: Canoga Park, Calif; [Washington, DC; Springfield, Va
Language: eng
Format: Microform
Subjects: Space vehicles -- Propulsion systems.
Notes: Distributed to depository libraries in microfiche.

Shipping list no.: 94-0085-M.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1993] 1 microfiche.