http://www.ksl.stanford.edu/software/IW/registry/SRC/IW-TEAM.daml Fri Feb 07 13:16:26 PST 2003 Fri Feb 07 13:16:26 PST 2003 'The Concept of Demodulation in Theorem Proving', L. Wos, G. A. Robinson, D. F. Carson, L. Shalla, JACM, Vol. 14, No. 4 pp. 698-709 October 1967