Van Valkenburg, M.E. <br/><br/>
Network analysis 

 - 3rd ed. 
 - New Delhi  Prentice-Hall of India  2000 
 - xv, 571 p.  Includes References and Index 
<br/><br/><label>ISBN: </label>81-203-0156-0 
<br/><br/><label>Dewey Class. No.: </label>D66 J93,L4;3