资料来源 : Free On-Line Dictionary of Computing

ALGOL 60 Modified
     
        
     
        ["A Supplement to the ALGOL 60 Revised Report", R.M. DeMorgan
        et al, Computer J 19(4):364].
     
        [SIGPLAN Notices 12(1) 1977].
     
        An erratum in [Computer J 21(3):282 (Aug 1978)] applies to
        both.
     
        (1995-01-25)