1. Andersen, J. R. (1976).Language, memory and thought. Hillsdale, NJ: Erlbaum.
2. Anderson, J. R. (1983).The architecture of cognition. Cambridge, MA: Harvard University Press.
3. Anderson, J. R., & Bower, G. H. (1973).Human associative memory. Washington, DC: Winston.
4. Bobrow, D. G., & Fraser, J. B. (1969). An augmented state transition network analysis procedure.Proceedings of the International Joint Conference on Artificial Intelligence, Washington, DC, 557–567.
5. Burt, R. S. (1980). Models of network structure.Annual Review of Sociology, 6, 79–141.