Outreal N (Algorithm [I5]) CACM February, 1965 Wirth, N. E. CA650203 JB March 7, 1978 11:17 PM 1321 5 1321 1321 5 1321 1321 5 1321 1705 5 1321 984 6 1321 986 6 1321 1020 6 1321 1321 6 1321