1. Ahl, V., Allen, T.F.H., 1996. Hierarchy Theory. Columbia University Press, New York.
2. Allen, T.F.H., 2002. Applying the principles of ecological emergence to building design and construction. In: Kibert, C.J., Sendzimir, J., Guy, G.B. (Eds.), Construction Ecology. London, Spon Press, London, Chapter 4, pp. 108–126.
3. Allen, T.F.H., Starr, T.B., 1982. Hierarchy: Perspectives for Ecological Complexity. University of Chicago, Chicago.
4. Allen, T.F.H., Hoekstra, T.W., 1992. Toward a Unified Ecology. Columbia University Press, New York.
5. Dragnet ecology, just the facts ma’am: the privilege of science in a postmodern world;Allen;Bioscience,2001