Sakoda, James M., "DYSTAL 2: A General Purpose Extension of FORTRAN" (1979) 
[SIGPLAN] (1979) SIGPLAN Notices 14(01) January 1979
Languages mentioned
 DYSTAL {1965} Arraybased listprocessing for Fortran
 DYSTAL 2 {1967} Arraybased listprocessing for Fortran
 SYMBAL {1967} An extension of ALGOL to do formal algebraic manipulation.


