References

Eldredge, N.1985. Unfinished Synthesis: Biologacal Hierarchies and Modern Evolutionary Thought. New York and Oxford : Oxford Univ. Press.

Hull, D.1981. “Units of Evolution: A Metaphysical Essay  .” In The Philosophy of Evolution, ed. U. J.Jensen and R.Harrk, 23–44. New York : St. Martin's Press.

Schrodinger, E. [1944] 1967. What is Life? The Physical Aspect of the Living Cell. Cambridge : Cambridge Univ. Press.

Yoxen, E. J.1979. “Where Does Schrodinger's ‘What is Life?’ Belong in the History of Molecular BiologyHistory of Science  17: 18–52.