1. Standard ML.
2. Small Machine Language. Barnes, ICI 1969. Real-time language, an ALGOL variant, and the predecessor of RTL. "SML User's Guide", J.G.P. Barnes, ICI, TR JGPB/69/35 (1969).
An extension of SML/NJ with polymorphic field selection and nondestructive field update. "A Compilation Method for ML-style Polymorphic Record Calculi", A. Ohori, POPL 1992.