Ross, Sheldon M. <br/><br/>
Introduction to Probability Models 
/ by Sheldon M. Ross 
 - 9th ed. 
 - New Delhi;  Elsevier India Private Limited:  2008. 
 - xviii, 782p. 
<br/><br/><label>ISBN: </label>9780125980623 
<br/><br/><label>Dewey Class. No.: </label>519.2  / ROS/I