Ground-based studies of emission-line variability
Subtitle: recent results for NGC 5548 and future plans
By: Bradley M. Peterson.
Contributors: United States. National Aeronautics and Space Administration.
Series: [NASA contractor report] -- NASA-CR-180433]; NASA contractor report -- NASA CR-180433.
Publisher: Dept. of Astronomy, Ohio State University; National Aeronautics and Space Administration
Published: 1990
Place of publication: [Columbus, Ohio]; [Washington, D.C
Language: eng
Format: Microform
Subjects: Astrophysics -- United States.; Optical data processing.
Other titles: Ground based studies of emission line variability.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C. : National Aeronautics and Space Administration], 1991 1 microfiche.