Younas, Azka <br/><br/>
Strong Gravitational Lensing by Black Holes / 
Azka Younas 
 - Islamabad :  SNS -  NUST,  2015. 
 - 182 p. : ill. ;  30cm. 
<br/><br/> Hardcover. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics - M.Phil Thesis
<br/><br/><label>Dewey Class. No.: </label>530