Van Valkenburg , M .E. <br/><br/>
Network analysis ./ 
M.E. Van valkenburg . 
 - 2nd ed. 
 - N.J.  Prentice - Hall ,  C 1964 
 - xv, 492p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering .
<br/><br/><label>Dewey Class. No.: </label>621.3851 VAN