Book Reviews: Michael Hannan and John Freeman: Organizational Ecology 1989,Cambridge,Mass: Harvard University Press. 366 pages

Campbell, Donald T. 1960 'Blind variation and selective retention in creative thought as in other knowledge processes'. Psychological Review 67: 380-400.

Hannan, Michael H. , and John Freeman 1977 'The population ecology of organizations'. American Journal of Sociology 82: 929-964.

Stinchombe, Arthur L. 1965 'Social structure and organizations' in Handbook of Organizations. J. G. March (ed.), 142-193. New York: Rand McNally.