1. Ahituv, N.; Berman, O. (1988). Operations management of distributed service networks: A practical approach. New York: Plenum Press.
2. Al-Mosaind, M. A.; Ducker, K. J.; Strathman, J. G. (1993). “Light rail transit stations and property values. A hedonic price approach.” (Presentation Paper 930806). Paper presented at the 72nd meeting of the Transportation Research Board, Washington D. C.
3. Black, W. R. (1991). “A note on the use of correlation coefficients for assessing goodness-of-fit in spatial interaction models.” Transportation 18:199–206.
4. Cesario, F. J. (1975). “A primer on entropy modeling.” AIP Journal (January):40–48.
5. Chan, Y. (2005). Location, transport and land-use: Modeling spatial-temporal information. New York: Springer-Verlag.