1. Bennett, C.H., & Brassard, G. (1984). Quantum cryptography: Public key distribution and coin tossing. In: Proceedings of the IEEE international conference on computers, systems, and signal processing (p. 175). Bangalore.
2. Birkhoff, G. (1940). Lattice theory, revised editions 1948 and 1967, colloquium publications (Vol. 25). Providence, RI: American Mathemaical Society.
3. Birkhoff, G., & von Neumann, J. (1936). The logic of quantum mechanics. Annals of Mathematics, 37, 823–843.
4. Boole, G. (1847). The mathematical analysis of logic. Being an essay towards a calculus of deductive reasoning. Cambridge: Macmillan. Reprinted Oxford: Blackwell 1951.
5. Boole, G. (1854). An investigation of the laws of thought on which are founded the mathematical theories of logic and probabilities. London: Macmillan. Reprint by Dover 1958.