1. Bennetand, C.H., Brassard, G.: Quantum cryptography: public-key distribution and tossing. In: Proceedings of IEEE International conference on Computers, Systems and Signal Processing, p. 175. IEEE Press, Bangalore, India, 1984
2. Ekert, A.K.: Quantum cryptography based on Bell’s theorem. Phys. Rev. Lett. 67, 661–663 (1991)
3. Bennett, C.H., Brassard, G., Mermin, N.D.: Quantum cryptography without Bell’s theorem. Phys. Rev. Lett. 68, 557–559 (1992)
4. Lo, H.K., Chau, H.F.: Unconditional security of quantum key distribution over arbitrarily long distances. Sci. 283, 2050–2056 (1999)
5. Cabello, A.: Quantum key distribution in the Holevo limit. Phys. Rev. Lett. 85, 5635–5638 (2000)