Bateson, Gregory (1972), Steps to an Ecology of Mind. New York: Ballantine Books.

Bohm, David (1989), Quantum Theory. Mineola, NY: Dover.

Cohen, J. E. (1976), “Irreproducible results and the breeding of pigs,” Bioscience 26:391-394.

Dennett, D. C. (1995), Darwin’s Dangerous Idea: Evolution and the Meanings of Life. Simon and Schuster, New York.

Depew, David J. and Bruce H. Weber (1995), Darwinism Evolving: Systems Dynamics and the Geneology of Natural Selection. Cambridge, Massachusetts: MIT Press.

Elsasser, Walter M. (1969), “A causal phenomena in physics and biology: A case for reconstruction,” American Scientist 57: 502-516.

Noether, A. (1983), Gesammelte Abhandlungen. [Nathan Jaconson, ed.] Springer Verlag, New York.

Ulanowicz, R.E. (2004), “Quantitative methods for ecological network analysis,” Computational Biology and Chemistry 28:321-339.

Ulanowicz, R.E. (2009), A Third Window: Natural Life beyond Newton and Darwin. Templeton Foundation Press, West Conshohocken, PA.