1. The type theoretic interpretation of constructive set theory;Aczel,1978
2. The type theoretic interpretation of constructive set theory: choice principles;Aczel,1982
3. The type theoretic interpretation of constructive set theory: Inductive definitions;Aczel,1986
4. Foundations of constructive mathematics: Metamathematical studies;Beeson,1985
5. Proving programs and programming proofs;Beeson,1986