Ross, Sheldon M. <br/><br/>
Introduction to probability models / 
Sheldon M. Ross. 
 - 3rd ed. 
 - Orlando :  Academic Press,  c1985. 
 - xiv, 502 p. :  ill. ;  25 cm. 
<br/><br/>  Includes index. 
<br/><br/>Includes bibliographical reference 
<br/><br/><label>ISBN: </label>0125984634 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Probabilities.