Alexei Barbosa de Aguiar Plácido Rogério Pinheiro André L. V. Coelho Napoleão Nepomuceno Álvaro Neto Ruddy P. P. Cunha Scalability Analysis of a Novel Integer Programming Model to Deal with Energy Consumption in Heterogeneous Wireless Sensor Networks. 11-20 2008 MCO http://dx.doi.org/10.1007/978-3-540-87477-5_2 conf/mco/2008 db/conf/mco/mco2008.html#AguiarPCNNC08