1. Theory of Road Traffic Flow;Ashton;Methuen's Monographs on Applied Probability and Statistics, New York and London,1966
2. The design and evaluation of an interactive geo-data analysis and display system;Carlson,1974
3. Readings in Urban Economics,1972
4. On a solution of a certain combinatorial problem encountered in a public transportation network;Friedman,1974
5. A note on the construction and properties of a set that is isomorphic to the set of Catalan parentheses;Friedman,1975