International Halley watch amateur observers' manual for scientific comet studies
By: Stephen J. Edberg
Contributors: Jet Propulsion Laboratory (U.S.)
Series: JPL publication -- 83-16
Publisher: Jet Propulsion Laboratory, California Institute of Technology; For sale by the Supt. of Docs., U.S. G.P.O.
Published: 1983
Place of publication: Pasadena, Calif; Washington, D.C
Language: eng
Subjects: Comets -- Observers' manuals; Halley's comet -- Observers' manual
Notes: "March 1, 1983."

Bibliography: pt. 1, p. B-1 - B-5
Table of contents: value: pt. 1. Methods.; value: pt. 2. Ephemeris and star charts