1. Pairing Without Conventional Restraints
2. Henk Barendregt.The Lambda Calculus: Its Syntax and Semantics, volume 103 ofStudies in Logic and the Foundation of Mathematics. North-Holland, revised edition, 1984.
3. Henk Barendregt. Lambda calculi with types. In Samson Abramsky, Dov M. Gabbay, and Thomas S. E. Maibaum, editors,Handbook of Logic in Computer Science, Vol. 2, chapter 2, pages 118-309. Oxford University Press, Oxford, 1992.
4. A confluent reduction for the λ-calculus with surjective pairing and terminal object
5. Theoretical Pearl Yet yet a counterexample for λ+SP