1. Minkowski, H.: Space and time, in [2, pp. 73–91]
2. Lorentz, H.A., Einstein, A., Minkowski, H., Weyl, H.: The Principle of Relativity. A Collection of Original Memoirs on the Special and General Theory of Relativity, translated by W. Perrett and G.B. Jeffery. Dover, New York (1952)
3. Schrödinger, E.: The continuous transition from micro- to macro-mechanics. Naturwissenschaften 28, 664–666 (1926)
4. Schrödinger, E.: What is an elementary particle? Endeavour 109–116 (July 1950)
5. Schrödinger, E.: Are there quantum jumps? Br. J. Philos. Sci. 3, 109–123 (1952)