Samuel Lahtinen Jari Peltonen Imed Hammouda Kai Koskimies 89-94 2006 conf/vl/2006 VL/HCC http://doi.ieeecomputersociety.org/10.1109/VLHCC.2006.25 db/conf/vl/vlhcc2006.html#LahtinenPHK06