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2. J. S. Bell,Speakable and Unspeakable in Quantum Mechanics (Cambridge University Press, Cambridge, 1987).
3. J. S. Bell, “Against measurement,”Physics World 3, 33–40 (1990).
4. K. Berndl, Dotoral Thesis, Universität München, in preparation.
5. D. Bohm, “A suggested interpretation of the quantum theory in terms of ‘hidden variables’,”Phys. Rev. 85, 166–193 (1952).