Relativistic jet models for the BL Lacertae object Mrk 421 during three epochs of observation
By: S.L. Mufson ... [et al.].
Contributors: Mufson, S. L.; United States. National Aeronautics and Space Administration.
Series: NASA technical memorandum -- 89727.
Publisher: National Aeronautics and Space Administration
Published: 1988
Place of publication: [Washington, D.C
Language: eng
Format: Microform
Subjects: Astronomy.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1988. 1 microfiche.