1. S. Aaronson, in PHYS771 Lecture 11: Decoherence and Hidden Variables (University of Waterloo, Fall 2006). http://www.scottaaronson.com/democritus/lec11.html
2. A. Aspect, in Testing Bell's Inequalities, (1991), pp. 415-425, http://inspirehep.net/record/1406213/files/C91-01-26_415-426.pdf (For a video, see http://cds.cern.ch/record/423022 ) The text presented is very close to the one that Aspect prepared for the special issue of Europhysics News
3. A. Aspect, Testing Bell's inequalities. Europhys. News 22, 73-75 (1991), on John Bell and Quantum Mechanics (issue of April 1991)
4. A. Aspect, J. Dalibard, G. Roger, Experimental test of Bell’s inequalities using time-varying analyzers. Phys. Rev. Lett. 49(25), 1804–1807 (1982). http://www.drchinese.com/David/Aspect.pdf
5. J.S. Bell, On the Einstein-Podolsky-Rosen Paradox. Physics 1, 195–200 (1964). Reprinted in J.S. Bell, Speakable and Unspeakable in Quantum Mechanics (Cambridge University Press, Cambridge, 1987); also available at http://www.drchinese.com/David/Bell_Compact.pdf