The astronomical ephemeris for the year 1978. 

 -- London :   Majesty's Stationery Office,   1976 
 - viii, 573 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomía - Efemérides 1978
<br/><br/><label>Universal Decimal Class. No.: </label>521.98