Valkenburg, M.E.Van <br/><br/>
Network analysis 
M.E.Van Valkenburg 
 - 3rd 
 - New Delhi  Prentice-Hall  1989 
 - xv,571 
<br/><br/><label>ISBN: </label>08769215610 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone
<br/><br/><label>Dewey Class. No.: </label>621.3851  / VAL M9