1. Abbate, J. (2000). Inventing the Internet. Cambridge: MIT Press.
2. Abler, R. (1975). Will telecommunications replace transportation? Telephony, 189, 84–94.
3. Anselin, L. (1988). Spatial econometrics: Methods and models. Boston: Kluwer.
4. Anselin, L. (1995). Local indicators of spatial association-LISA. Geographical Analysis, 272, 94–115.
5. Anselin, L. (1999). The future of spatial analysis in the social sciences. Geographic Information Sciences, 5, 67–76.