Azzedine Boukerche Horacio A. B. F. de Oliveira Eduardo Freire Nakamura Antonio Alfredo Ferreira Loureiro A Novel Location-Free Greedy Forward Algorithm for Wireless Sensor Networks. 2096-2101 2008 ICC http://dx.doi.org/10.1109/ICC.2008.402 conf/icc/2008 db/conf/icc/icc2008.html#BoukercheONL08