1. Apt, K.R., Pedreschi, D.: Studies in pure prolog: termination. In: Lloyd, J.W. (ed.) Proc. Esprit Symposium on Computational Logic, pp. 150?176, 1990
2. Avenhaus, J., Madlener, K.: Term rewriting and equational reasoning. In: Banerji, R.B. (ed.) Formal techniques in artificial intelligence. A sourcebook, pp. 1?44. Amsterdam: Elsevier 1990
3. Lect. Notes Comput. Sci.;L. Bachmair,1986
4. Bachmair, L.: Proof methods for equational theories. PhD thesis, Dept. of Computer Science, University of Illinois at Urbana-Champaign, 1987
5. Lect. Notes Comput. Sci.;F. Bellegarde,1987