1. Semantics of PCF;Abramsky,1989
2. Predicative recursion and computational complexity;Bellantoni;Ph.D. Thesis,1993
3. Program extraction for normalization proofs;Berger,1993
4. Program development by proof transformation;Berger,1995
5. Proceedings of the NATO Advanced Study Institute, International Summer School held in Marktoberdorf;Berger,1993