@INPROCEEDINGS{EFH+08-ppdp08,
  author = {S.~Est{\'e}vez-Mart\'{\i}n and A.J.~Fern{\'a}ndez and T.~Hortal\'a-Gonz\'alez
    and F.~S\'aenz-P\'erez and M.~Rodr\'{\i}guez-Artalejo and R.~del
    Vado V\'{\i}rseda},
  title = {{Cooperation of Constraint Domains in the ${\mathcal TOY}$ System}},
  booktitle = {Proc. ACM SIGPLAN Conf. on Principles and Practice of Declarative
    Programming (PPDP'08)},
  year = {2008},
  pages = {258--268},
  publisher = {ACM Press},
  butype = {inproceedings},
  isbn = {978-1-60558-117-0},
  location = {Valencia, Spain},
  projects = {MERIT,PROMESAS}
}