I. Porres, E. Domfnguez, B. Perez, A. Rodriguez, and M. Zapata. Engineering of Computer Based Systems, 2008. ECBS 2008. 15th Annual IEEE International Conference and Workshop on the, page 210--218. (2008)
A. Tineo, F. Corbera, A. Navarro, R. Asenjo, and E. Zapata. PARCO, volume 33 of John von Neumann Institute for Computing Series, page 557-564. Central Institute for Applied Mathematics, Jülich, Germany, (2005)