1. Dahl, V., Blache, P.: Extracting Selected Phrases through Constraint Satisfaction. In: Proceeding of ICLP workshop on CSLP (2005)
2. Lecture Notes in Computer Science;P. Blache,2005
3. Dahl, V., Blache, P.: Directly Executable Constraint Based Grammars. In: Proc. of Journees Francophones de Programmation en Logique avec Contraintes (2004)
4. Christiansen, H.: CHR Grammars. International Journal on Journal on Theory and Practice of Logic Programming, special issue on CHRs (2005)