Mohamed Aissani Abdelhamid Mellouk Nadjib Badache Mohamed Djebbar A New Approach of Announcement and Avoiding Routing Voids in Wireless Sensor Networks. 1790-1794 2008 GLOBECOM http://dx.doi.org/10.1109/GLOCOM.2008.ECP.346 conf/globecom/2008 db/conf/globecom/globecom2008.html#AissaniMBD08