1. Bogataj M, Drobne S (2005) Does the improvement of roads increase the daily commuting? Numerical analysis of Slovenian interregional flows. Selected decision support models for production and public policy problems. SDI-SOR Ser. No. 3, Ljubljana: 185–206
2. Cesario FJ (1973) A generalized trip distribution model. J Reg Sci 13:233–247
3. Cesario FJ (1974) More on the generalized trip distribution model. J Reg Sci 14:389–397
4. Drobne S, Bogataj M (2005) Inter-municipal gravity model of Slovenia. In: Zadnik Stirn L, Drobne S (Eds.). SOR’05 Proceedings. Ljubljana: SDI-SOR, 207–212
5. Drobne S, Bogataj M (2011) Accessibility and flow of human resources between Slovenian regions. UL_FGG, MEDIFAS. Ljubljana, Šempeter pri Gorici