1. Some issues relating to metering or closing of freeways ramps;Allen;Transpn Sci.,1976
2. Studies in the Economics of Transportation;Beckmann,1955
3. Characteristics of drivers' route selection behavior;Benshoof;Traffic Engineering and Control,1970
4. Spatial orientation in a subway system;Bronzaft;Environmental and Behavior,1976
5. Equilibrium analysis in transportation, the state-of-the-art and some new results;Daganzo,1980