- TitleJPL fact sheet : International Halley Watch.
- AuthorJet Propulsion Laboratory (U.S.International Halley Watch.Jet Propulsion Laboratory (U.S.)
- Description[ii], 50 p. :, 28 cm.
- Call NumberQB723 .H2 J8 1985
- SubjectsHalley's comet.
- PublishingPasadena :: Jep Propulsion Laboratory NASA, , 1985.
- MaterialBook
