1. See, for example, M. A. Horne: Ph. D. Thesis, Boston University (1970) (mimeographed).
2. S. J. Freedman and J. F. Clauser:Phys. Rev. Lett., 28, 938 (1972); J. F. Clauser:Phys. Rev. Lett. 36, 1223 (1976); E. Fry and R. C. Thompson:Phys. Rev. Lett.,37, 465 (1976).
3. L. de Broglie:Une tentative d'interprétation causale et non linéaire de la mécanique ondulatoire, Chap. 12 (Paris, 1956), p. 73.
4. Paradox: A very surprising, but perhaps true statement (Sense No. 1 in all dictionaries). Copernicus' heliocentrism has been a paradox.
5. Paradox and Paradigm, edited by R. G. Colodny (Pittsburgh, Pa., 1973).