Choudhuri, Arnab Rai,  1956- <br/><br/>
Nature's third cycle :  a story of sunspots / 
Arnab Rai Choudhuri. 
 - xii, 281 pages :  illustrations ;  23 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780199674756 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sunspots--Popular works.<br/>Sunspots.
<br/><br/><label>LC Class. No.: </label>QB525 cho 2015