1. Kahn, D.: The Codebreakers: A Comprehensive History of Secret Communication from Ancient Times to the Internet, Revised and Updated. Scribner, New York (1996)
2. Smolka, J.: PLANCK MAX - (1858–1947). Encyclopædia Universalis [en ligne].
http://www.universalis.fr/encyclopedie/max-planck/
. Accessed 7 Dec 2017
3. Schrödinger, E.: Quantum physics and representation of the world. Le Seuil, coll. “Science Points”, 1992, 184 pp. French translation of two popular articles: The current situation in quantum mechanics (1935), Science and humanism - the physics of our time (1951)
4. Wiesner, S.: Conjugate coding. Sigact News 15(1), 78–88 (1983). Written around 1969–1970, this article was published only in 1983
5. Bennett, C.H., Brassard, G.: Quantum cryptography: public-key distribution and coin tossing. In: Proceedings of the IEEE International Conference on Computers, Systems and Signal Processing, pp. 175–179. IEEE (1984)