Erwan Le Merrer Vincent Gramoli Anne-Marie Kermarrec Aline Carneiro Viana Marin Bertier Energy Aware Self-Organizing Density Management in Wireless Sensor Networks http://arxiv.org/abs/0802.0550 2008 CoRR abs/0802.0550 db/journals/corr/corr0802.html#abs-0802-0550 informal publication