1. A. J. Camilleri, T. F. Melham and M. J. C. Gordon, Hardware Verification Using Higher-Order Logic, University of Cambridge Computer Laboratory, Technical Report No. 91, 1986.
2. A. Church, A Formulation of the Simple Theory of Types, Journal of Symbolic Logic 5, 1940.
3. A. J. Cohn, A Proof of Correctness of the Viper Microprocessor: The First Level. In: VLSI Specification, Verification and Synthesis, edited by G. Birtwistle and P.A. Subrahmanyam (this volume).
4. G. Cousineau, G. Huet and L. Paulson, The ML Handbook, INRIA, 1986.
5. M. Gordon, R. Milner, L. Morris, M. Newey and C. Wadsworth, A Metalanhuage for Interactive proof in LCF, Fifth ACM SIGACT-3IGPLAN Conference on Principles of Programming Languages, Tucson, Arizona, 1978.