Duorah Hira Lal  <br/><br/>
Introduction To Astrophysics   
By Hira Lal Duorah  
 - Guwahati   Kalpana Duorah   1989 
 - 256p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics 
<br/><br/><label>Dewey Class. No.: </label>530  / DUO