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2. Une Méthode d'affectat iondu traffic;Bruynooghe,1968
3. Traffic Assignment: Methods-Applications-Products;Comsis Corporation,1972
4. An appraisal of some shortest path algorithms;Dreyfus;Operations Research,1969
5. Predicting the equilibrium of supply and demand: location theory and transportation network flow models;Hershdorfer;Transportation Research Forum Papers,1960