@inproceedings{diaz04,
  author    = {Pedro D\'{\i}az and Diego R. Llanos and Bel{\'e}n Palop},
  title     = {Parallelizing {2D}-Convex Hulls on clusters: Sorting matters},
  booktitle = {Proc. XV Jornadas de Paralelismo},
  address = {Almer\'{\i}a, Spain},
  year      = {2004},
  month     = {September},
  pages     = {247--252}, 
  note      = "{ISBN 84-8240-714-7}"
}