Explenatory suppl. to the astronomical ephemeris and the American ephemeris and nautical almanac. 
Nautical Almanac Office                                      
 - London  H.M. Stationery Office  1977 
 - xi, 533p. 
<br/><br/><label>ISBN: </label>0-11-880578-9 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs<br/>Ephemeris
<br/><br/><label>Universal Decimal Class. No.: </label>(035)52  / NAU