Billings, Donald E. <br/><br/>
A guide to the solar corona 
Donald E. Billings                                          
 - New York  Academic Press  1966 
 - x, 323p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy and astrophysics thesaurus<br/>Coronal holes<br/>Coronal loops<br/>Solar corona
<br/><br/><label>Universal Decimal Class. No.: </label>523.755  / BIL