R. Rana, C. Chou, S. Kanhere, N. Bulusu, и W. Hu. Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks, стр. 105--116. ACM, (2010)
P. Newson, и J. Krumm. Proceedings of the 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, стр. 336--343. ACM, (2009)