The Nautical almanac for the year 1981 /

Bibliographic Details

Corporate Authors:	United States Naval Observatory. Nautical Almanac Office, Great Britain. Nautical Almanac Office
Format:	Book
Language:	English
Published:	Washington, D.C. : U.S. Government Printing Office, [1981]
Edition:	[United States edition]
Subjects:	Nautical almanacs. Almanachs nautiques.