1. H.P. Barendregt, Combinatory Logic and the Axiom of Choice, in Indagationes Mathematicae, vol. 35,nr. 3, pp. 203–221.
2. H.P. Barendregt, Typed lambda calculi. In Handbook of Logic in Computer Science, eds. Abramski et al., Oxford Univ. Press.
3. S. Berardi, Encoding of data types in Pure Construction Calculus: a semantic justification, in Logical Environments, eds. G. Huet and G. Plotkin, Cambridge University Press, pp 30–60.
4. Th. Coquand, Metamathematical investigations of a calculus of constructions. In Logic and Computer Science, ed. P.G. Odifreddi, APIC series, vol. 31, Academic Press, pp 91–122.
5. Th. Coquand and G. Huet, The calculus of constructions, Information and Computation, 76, pp 95–120.