@inproceedings{crvflops08, author = {R.~Caballero and M.~Rodr\'{\i}guez-Artalejo and R.~del Vado-V\'{\i}rseda}, title = {{Declarative Diagnosis of Missing Answers in Constraint Functional-Logic Programming}}, booktitle = {Proc. 9th International Symposium on Functional and Logic Prrogramming (FLOPS'08)}, publisher = {Springer Verlag}, series = {LNCS}, volume = {4989}, pages = {305-321}, projects = {MERIT,PROMESAS}, butype = {inproceedings}, year = {2008} }