1. Aczel, P.: A general Church-Rosser theorem. Technical report, University of Manchester, United Kingdom (1978)
2. Barbanera, F., Fernández, M., Geuvers, H.: Modularity of strong normalization in the algebraic-λ-cube. Journal of Functional Programming 7(6) (1997)
3. Barendregt, H.: Lambda calculi with types. In: Abramski, S., Gabbai, D.M., Maiboum, T.S.E. (eds.) Handbook of logic in computer science, vol. 2, Oxford University Press, Oxford (1992)
4. Lecture Notes in Computer Science;F. Blanqui,1999
5. Blanqui, F., Jouannaud, J.-P., Okada, M.: Inductive Data Type Systems (1998), To appear in TCS, Available at
http://www.lri.fr/~blanqui/