1. A flexible doubly-constrained trip distribution model;Dacey;Transpn Res.,1977
2. Entropy maximization and geometric programming;Dinkel;Envnm. Plan. A,1977
3. Geometric Programming—Theory and Application;Duffin,1967
4. Geometric programming with an application to transportation planning;Jefferson,1972
5. Geometric programming applied to transportation planning;Jefferson;Opsearch,1978