Source : Free On-Line Dictionary of Computing

Simulation Oriented Language
     
         (SOL) An {ALGOL} extension for {discrete
        simulation} by {Donald Knuth} and McNeley.
     
        ["SOL - A Symbolic Language for General Purpose System
        Simulation", D.E. Knuth et al, IEEE Trans Elec Comp,
        EC-13(4):401-408 (Aug 1964)].
     
        [Sammet 1969, p. 656].
     
        (1995-07-26)