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

 - 3rd ed. 
 - New Delhi  PHI  1974 
 - xv+571 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Network
<br/><br/><label>Dewey Class. No.: </label>621.3192  VAL;17