The Allegheny Observatory search for planetary systems
Subtitle: final technical report
By: George D. Gatewood, principal investigator.
Contributors: United States. National Aeronautics and Space Administration.
Series: NASA contractor report -- NASA CR-184990.
Publisher: The Observatory
Published: 1989
Place of publication: Pittsburgh, PA
Language: eng
Format: Microform
Subjects: Allegheny Observatory.; Planets -- Research -- Pennsylvania -- Pittsburgh.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration, 1989] 1 microfiche.