The hydrogen coma of Comet Halley before perihelion
Subtitle: preliminary observations with Dynamics Explorer I
By: by J.D. Craven ... [et al.].
Contributors: Craven, J. D.; United States. National Aeronautics and Space Administration.
Series: NASA-CR -- 177091.; NASA contractor report -- NASA CR-177091.
Publisher: Dept. of Physics and Astronomy, University of Iowa
Published: 1986
Place of publication: Iowa City, Iowa
Language: eng
Format: Microform
Subjects: Halley's comet.
Notes: Distributed to depository libraries in microfiche.

Microfiche. [Washington, D.C.? : National Aeronautics and Space Administration], 1986. 1 microfiche.