Comet Halley returns
Subtitle: a teachers' guide, 1985-1986
By: Robert D. Chapman and R. Lynn Bondurant, Jr
Contributors: Bondurant, R. Lynn
Series: NASA EP -- 197
Publisher: National Aeronautics and Space Administration, Educational Programs Office of Public Affairs, Goddard Space Flight Center; For sale by Supt. of Docs., U.S. G.P.O.
Published: 1985
Place of publication: Greenbelt, Md; Washington, D.C
Language: eng
Number of pages: 41
Subjects: Handbooks, manuals
Notes: "July 1984"--T.p. verso.

Includes index.

Bibliography: p. 22.