1. Revised edn;H.P. Barendregt,1984
2. Barr, M.: Terminal coalgebras for endofunctors on sets. Theoretical Computer Science 114(2), 299–315 (1999)
3. Berarducci, A.: Infinite λ-calculus and non-sensible models. In: Logic and Algebra (Pontignano, 1994), pp. 339–377. Dekker, New York (1996)
4. Davey, B.A., Priestly, H.A.: Introduction to Lattices and Order. Cambridge University Press, Cambridge (1990)
5. Cambridge Tracts in Theoretical Computer Science;J.R. Kennaway,2003