Solar radiations and the earth  proceedings of the symposium on solar radiations and the earth held at Delhi University, Delhi, June 21-26, 1971 
edited by J. N. Tandon 
 - Delhi  Hindustan Publishing  1973 
 - x, 342p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Solar activity
<br/><br/><label>Universal Decimal Class. No.: </label>523.9-7  / SOL