United States Naval Observatory.

Bibliographic Details
Corporate Author:	United States Naval Observatory
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Dept. of Defense, Dept. of the Navy, Naval Observatory, 1976.
Subjects:	United States Naval Observatory. Astronomical observatories > United States.

Description
Item Description:	Cover title. [5 cds]
Physical Description:	20 pages : illustrations ; 23 cm.