Marco Fiore Claudio Casetti Carla-Fabiana Chiasserini Information Density Estimation for Content Retrieval in MANETs. 289-303 2009 8 IEEE Trans. Mob. Comput. 3 http://doi.ieeecomputersociety.org/10.1109/TMC.2008.110 db/journals/tmc/tmc8.html#FioreCC09