1. Amidzic O, Riehle HJ, Fehr T, Weinbruch C, Elbert T (2001) Patterns of focal γ-bursts in chess players: grandmasters call on regions of the brain not used so much by less skilled amateurs. Nature: Brief Communications 412:9 August 2001
2. Aristotle (1955), The ethics of Aristotle, translated by Thomson JAK. Penguin, Harmondsworth
3. Benner PE, Tanner CA, Chesla CA (1996) Expertise in nursing practice: caring, clinical judgment, and ethics. Springer Publishing Company, New York
4. Brooks RA (2002) Flesh and machines: how robots will change us. Pantheon Books, New York
5. Dreyfus HL (1992) What computers still can’t do. MIT Press, Cambridge (MA)