Proceeding of IGY symposium 13-16 February 1961  
/ Indian national committee for IGY 
 - New Delhi:   Council of Scientific & Industrial Research,   1962 
 - 246p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>IGY 
<br/><br/><label>Universal Decimal Class. No.: </label>550.3(100)(063)  / K2