IEEE Transactions on Computers
IEEE Transactions on Computers > 1972 > C-21 > 6 > 612 - 613
IEEE Transactions on Computers > 1972 > C-21 > 8 > 848 - 857
IEEE Transactions on Computers > 1972 > C-21 > 6 > 612 - 613
IEEE Transactions on Computers > 1972 > C-21 > 8 > 848 - 857