Manorama Year Book 1981 
edited by K. M. Mathew                                             
 - Kerala  Manorama Publishing  1981 
 - 781p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and Astrophysics Thesaurus<br/>Yearbook-1981
<br/><br/><label>Universal Decimal Class. No.: </label>58  / MAT-81