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2. Frühwirth, T.: Theory and practice of Constraint Handling Rules. J. Logic Programming, Special Issue on Constraint Logic Programming 37(1–3), 95–138 (1998)
3. Sneyers, J., Van Weert, P., Schrijvers, T., De Koninck, L.: As time goes by: Constraint Handling Rules — a survey of CHR research between 1998 and 2007. Journal of Theory and Practice of Logic Programming (submitted, 2008)
4. Holzbaur, C., Frühwirth, T.: A Prolog Constraint Handling Rules compiler and runtime system. In: [76], pp. 369–388
5. Schrijvers, T.: Analyses, optimizations and extensions of Constraint Handling Rules. Ph.D thesis, K.U.Leuven, Belgium (June 2005)