The Comet Halley handbook : an observer's guide
By: created for the International Halley Watch, by Donald K. Yeomans.
Contributors: Jet Propulsion Laboratory (U.S.)
Publisher: National Aeronatics and Space Administration, Jet Propulsion Laboratory, Calif. Institute of Technology; Supt. of Docs., U.S. G.P.O., distributor]
Published: 1981
Place of publication: Pasadena; [Washington, D.C
Language: eng
Number of pages: 44
Subjects: Halley's comet -- Observations.
Notes: Jan. 1981.

"JPL 400-91"--P. 4 of cover.

Includes bibliographical references.