References
- Bartholomew , D. J. 1967 . Stochastic Models of Social Processes , New York : Wiley .
- Coleman , J. S. 1964 . An Introduction to Mathematical Sociology , New York : Free Press .
- Weidlich , W. and Helbing , D. “ (Forthcoming) A mathematical model of group dynamics including the effects of solidarity ” . In The Problem of Solidarity, A special issue of The Journal of Mathematical Sociology Edited by: Doreian , P. and Fararo , T. J.
- White , H. C. 1992 . Identity and Control: A Structural Theory of Action , Princeton : Princeton University Press .