1. E. Acar, H. Choset, Complete sensor-based coverage with extended-range detectors: a hierarchical decomposition in terms of critical points and voronoi diagrams, in: Proceedings of the 2001 IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS ’01), 2001.
2. P. Bahl, V.N. Padmanabhan, RADAR: an in-building RF-based user location and tracking system, in: Proceedings of IEEE INFOCOM, March 2000.
3. Space–filling curves: their generation and their application to bandwidth reduction;Bially;IEEE Trans. Inform. Theory,1969
4. J. Broch, D.A. Maltz, D.B. Johnson, Y.-C. Hu, J. Jetcheva,. A performance comparison of multi-hop wireless ad hoc network routing protocols, in: Proceedings of ACM MobiCom, October 1998.
5. GPS-less low cost outdoor localization for very small devices;Bulusu;IEEE Personal Commun. Mag.,2000