1. Models for the location-allocation problem in urban and regional infrastructure planning;Bach,1978
2. Solution properties of multicriteria 0–1 programming problems;Burkard,1979
3. Expected distances in distribution problems;Christofides;Operational Res. Quart.,1969
4. An extension of the generalized Weber problem;Cooper;J. Regional Sci.,1968
5. An algorithm for the generalized Fermat-Weber problem;Cordellier,1976