1. Biproportional Matrices and Input-Output Change;Bacharach,1970
2. Foundations of Modern Analysis;Dieudonné,1960
3. Some properties of trip distribution models;Evans;Transpn Res.,1970
4. The calibration of trip distribution models with exponential or similar cost functions;Evans;Transpn Res.,1971
5. Nonlinear and Dynamic Programming;Hadley,1964