References
- Oates , W. J. , ed. The confessions , New York : Random House . Augustin St (1948) (401)
- Lucas , J. R. 1990 . Spacetime and Electromagnetism , Oxford : Clarendon Press .
- McTaggart , J. M. E. 1921–1927 . The nature of existence , Cambridge : Cambridge University Press . Ch. XXXVIII
- Murdoch , D. 1987 . Niels Bohr's philosophy of physics , Cambridge : Cambridge University Press .
- Prior , A. N. 1967 . Past, present and future , Oxford : Oxford University Press .
- Reichenbach , H. 1947 . Elements of symbolic logic , London : Macmillan Section 51 .