Benioff, Paul: The computer as a physical system: A microscopic quantum mechanical Hamiltonian model of computers as represented by Turing machines. Journal of Statistical Physics, 1980, 22. vsk, nro 5, s. 563–591. Journal of Statistical Physics. doi:10.1007/BF01011339Bibcode:1980JSP....22..563B(englanniksi)
Benioff, Paul: The computer as a physical system: A microscopic quantum mechanical Hamiltonian model of computers as represented by Turing machines. Journal of Statistical Physics, 1980, 22. vsk, nro 5, s. 563–591. Journal of Statistical Physics. doi:10.1007/BF01011339Bibcode:1980JSP....22..563B(englanniksi)