The Indian Astronomical Ephemeris for the Year 1981 
India Meteorological Department  
 - Calcutta  India Meteorological Department  1980 
 - xviii, 492p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Almanacs<br/>Astronomy and Astrophysics Thesaurus<br/>Ephemeris<br/>Indian Ephemeris
<br/><br/><label>Universal Decimal Class. No.: </label>059:52  / IMD