1. To be or not to be local
2. W. Heisenberg, Physics and Philosophy: The Revolution in Modern Science, Prometheus Books (1999), p. 44. 9781573926942
3. A. Einstein, M. Born, H. Born, The Born–Einstein Letters: Correspondence Between Albert Einstein and Max and Hedwig Born from 1916–1955, I. Born, trans. MacMillan (1971), p. 159.