Brightness changes in periodic comets /

Bibliographic Details
Main Author:	Whipple, Fred L. (Fred Lawrence), 1906-2004
Corporate Author:	Smithsonian Astrophysical Observatory
Other Authors:	Douglas-Hamilton, Diarmaid H.
Format:	Book
Language:	English
Published:	Cambridge (Mass.) : Smithsonian Institution Astrophysical Observatory, 1965.
Series:	SAO special report ; no. 181.
Subjects:	Comets > Observations.

Description
Item Description:	"August 9, 1965"--Cover.
Physical Description:	17 pages : illustrations ; 27 cm.
Bibliography:	Includes bibliographical references.