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Astronomical phenomena for the year ... issued by the Nautical Almanac Office, United States Naval Observatory. - Washington The Office For sale by the Supt. of Docs., U.S. G.P.O. 1950- - v. maps 26 cm. - 1951-

Vols. for 1951- issued by the Nautical Almanac Office, United States Naval Observatory (<1981-> prepared jointly with Her Majesty's Nautical Almanac Office, Royal Greenwich Observatory).

Vols. for 1951-19 reprinted from: American ephemeris and nautical almanac.

ISSN: 0083-2421 = Astronomical phenomena = Astron. phenom.

LCCN: 51060475 //r842

Subjects--Topical Terms:
Astronomy--Periodicals.

LC Class. No.: QB9 / .U55

Dewey Class. No.: 525/.5

GPO Item No.: 0396-A

Gov. Doc. Class. No.: D 213.8/3: