TY  - BOOK
AU  - Potts Renfrey B
AU  -  Oliver Robert M
TI  - Flows in transportation networks
T2  - Mathematics in Science and Engineering: A Series of Monographs and Taxtbooks. Ed by Richard Bellman
U1  - X4:(B), L2 
PY  - 1972///
CY  - New York
PB  - Academic Press        
N1  - Appendix: P 153-86
ER  -