Luis Alfonso Lastras-Montaño Vittorio Castelli Near Tightness of the El Gamal and Cover Region for Two Descriptions. 3-12 2005 conf/dcc/2005 DCC http://doi.ieeecomputersociety.org/10.1109/DCC.2005.57 db/conf/dcc/dcc2005.html#Lastras-MontanoC05