1. M. Fernández-Guasti, Eur. Phys. J. Plus 129(195), 1–10 (2014)
2. H. Reichenbach, R.C. (Introduction), The philosophy of space and time (Dover Publ, 1958)
3. J.L. Synge, Relativity: The Special Theory (North Holland Publ. Co., Amsterdam, 1972)
4. L. Thomas, Lond. Edinburgh Dublin Philosoph. Mag. J. Sci. 3(13), 1 (1927)
5. C.P. Enz, No Time to be Brief: A Scientific Biography of Wolfgang Pauli (Oxford University Press, Oxford, 2002)