1. R.P. Feynman, R.B. Leighton, M. Sands, The Feynman lectures on Physics (Addison-Wesley Publishing Company, Massachusetts, 1965), p. 1965
2. C. Koch, K. Hepp, Quantum mechanics in the brain. Nature 440, 30 (March 2006)
3. R. Penrose, Shadows of the Mind. A Search for the Missing Science of Consciousness (Oxford University Press, 1994)
4. N. Kasabov, Evolving Connectionist Systems (Springer, 2007)
5. D. Deutsch, Quantum theory, the Church-Turing principle and the universal quantum computer. Proc. R. Soc. Lond. A 400(97–117), 1985 (1985)