1. A.W. Appel and A.P. Felty. Lightweight lemmas in λProlog. In International Conference on Logic Programming, Nov. 1999.
2. A.W. Appel and A.P. Felty. A semantic model of types and machine instructions for proof-carrying code. In The 27th Annual ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages, 2000.
3. P. Borras, D. Clément, T. Despeyroux, J. Incerpi, G. Kahn, B. Lang, and V. Pascual. Centaur: The system. In Proceedings of SIGSOFT’88: Third Annual Symposium on Software Development Environments (SDE3), Boston, 1988.
4. Lect Notes Comput Sci;J. Despeyroux,2000
5. Lect Notes Comput Sci;J. Despeyroux,1995