1. Boyer, R.S., Yu, Y.: Automated proofs of object code for a widely used microprocessor. Journal of the ACM 43(1), 166–192 (1996)
2. Clavel, M., Durán, F., Eker, S., Lincoln, P., Martí-Oliet, N., Meseguer, J., Quesada, J.: A Maude Tutorial. SRI International (2000)
3. Crow, J., Owre, S., Rushby, J., Shankar, N., Srivas, M.: A tutorial introduction to PVS. In: Workshop on Industrial-Strength Formal Specification Techniques, Boca Raton, FL (April 1995)
4. Lecture Notes in Computer Science,1999
5. Klein, G., Nipkow, T., von Oheimb, D., Pusch, C., Nieto, L.P.: Project Bali, Available from http://isabelle.in.tum.de/bali/ (May 2004)