Potts Renfrey B <br/><br/>
Flows in transportation networks 
Potts Renfrey B; Oliver Robert M 
 - New York  Academic Press          1972 
 - xi,192p.  cm. 
 - Mathematics in Science and Engineering: A Series of Monographs and Taxtbooks. Ed by Richard Bellman .
<br/><br/> Appendix: P 153-86 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X4:(B), L2