Issue No.06 - June (1972 vol.21)
Franco P. Preparata , Coordinated Science Laboratory and the Department of Electrical Engineering, University of Illinois, Urbana, Ill. 61801.
By considering universal logic modules whose terminals may be interconnected, new designs are presented for six, nine, and ten arguments, whose numbers of terminals represent substantial improvements over previously known designs.
Franco P. Preparata, "Universal Logic Modules of a New Type", IEEE Transactions on Computers, vol.21, no. 6, pp. 585-588, June 1972, doi:10.1109/TC.1972.5009012