S-ALGOL
Orthogonal data structures on ALGOL 60. "S-Algol Language Reference Manual", R. Morrison, TR CS/79/1 U St Andrews, 1979. "An Introduction to Programming with S-Algol", A.J. Cole & R. Morrison, Cambridge U Press 1982.
Orthogonal data structures on ALGOL 60. "S-Algol Language Reference Manual", R. Morrison, TR CS/79/1 U St Andrews, 1979. "An Introduction to Programming with S-Algol", A.J. Cole & R. Morrison, Cambridge U Press 1982.