Enric Morancho José María Llabería Àngel Olivé 118-128 2001 conf/IEEEpact/2001 IEEE PACT http://doi.ieeecomputersociety.org/10.1109/PACT.2001.953293 db/conf/IEEEpact/IEEEpact2001.html#MoranchoLO01