1. The Lambda Calculus, its Syntax and Semantics;Barendregt,1984
2. Algebras and Combinators;Engeler;Algebra Universalis,1981
3. Models for the λ-Calculus;Scott;Manuscript,1969
4. Continuous Lattices;Scott,1972
5. Data types as lattices;Scott;SIAM J. Comp,1976