Furio Belgiorno Rosario De Chiara Ilaria Manno Maarten Overdijk Vittorio Scarano Wouter van Diggelen Face to Face Cooperation with CoFFEE. 49-57 2008 EC-TEL http://dx.doi.org/10.1007/978-3-540-87605-2_6 conf/ectel/2008 db/conf/ectel/ectel2008.html#BelgiornoCMOSD08