|| M. Krysander and E. Frisk, “Sensor Placement for Fault Diagnosis,” IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans, vol. 38, no. 6, pp. 1398–1410, November 2008.
 J. M. Kay and J. Frolik, “An Expedient Wireless Sensor Automaton with System Scalability and Efficiency Benefits,” IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans, vol. 38, no. 6, pp. 1198–1209, November 2008.
 Z. Gao, T. Breikin, and H. Wang, “Reliable Observer-Based Control Against Sensor Failures for Systems with Time Delays in Both State and Input,” IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans, vol. 38, no. 5, pp. 1018–1029, September 2008.
 J. M. Glasgow, G. Thomas, E. Pudenz, N. Cabrol, D. Wettergreen, and P. Coppin, “Optimizing Information value: Improving Rover Sensor Data Collection,” IEEE Transactions on Systems, Man, and Cybernetics, Part A: Systems and Humans, vol. 38, no. 3, pp. 593–604, May 2008.
 S. Meguerdichian, F. Koushanfar, M. Potkonjak, and M. B. Srivastava, “Coverage Problems in Wireless Ad-Hoc Sensor Networks,” IEEE International Conference on Computer Communications (IEEE InfoCom),2001.
 Novella Bartolini, Tiziana Calamoneri, Tom La Porta, Chiara Petrioli, and Simone Silvestri, “Sensor Activation and Radius Adaptation (SARA) in Heterogeneous Sensor Networks” ACM Transactions on Sensor Networks.
 J. Wang and S. Medidi, “Energy Efficient Coverage with Variable Sensing Radii in Wireless Sensor Networks,” IEEE International Conference on Wireless and Mobile Computing, Networking and Communications (IEEE WiMob), 2007.
 C. T. Vu and Y. Li, “Delaunay-Triangulation Based Complete Coverage in Wireless Sensor Networks,” IEEE International Conference on Pervasive Computing and Communications (IEEE PerCom), 2009.
 P. Andreou, A. Pamboris, D. Zeinalipour-Yazti, P.K. Chrysanthis, and G. Samaras, “ETC: Energy-Driven Tree Construction in Wireless Sensor Networks,” The 2009 IEEE International Conference on Mobile Data Management: Systems, Services and Middleware (IEEE MDM), 2009.
 H. Yang, F. Ye and B. Sikdar, “A Dynamic Query-tree Energy Balancing Protocol for Sensor Networks,” The 2004 IEEE Wireless Communications and Networking Conference (IEEE WCNC), 2004
 N. Mitton, D. Simplot-Ryl and I. Stojmenovic, “Guaranteed delivery for geographical anycasting in wireless multi-sink sensor and sensor-actor networks,” The 2009 IEEE Computer and Communications Societies (IEEE InfoCom), 2009.
 Y. Lin and Q. Wu, “Energy-Conserving Dynamic Routing in Multi-Sink Heterogeneous Sensor Networks,” The 2010 IEEE Communications and Mobile Computing (IEEE CMC), 2010.
 Waleed Alsalih, Hossam Hassanein, and Selim Akl, “Routing to a Mobile Data Collector on a Predefined Trajectory”, IEEE International Communications Conference (IEEE ICC), 2009.
 Miao Zhao and Yuanyuan Yang, “Bounded Relay Hop Mobile Data Gathering in Wireless Sensor Networks” IEEE Mobile Ad Hoc and Sensor Networks (IEEE MASS), 2009.
 J. P. Sheu, W. K. Hu, and J. C. Lin, “Distributed Localization Scheme for Mobile Sensor Networks,” IEEE Transactions on Mobile Computing, vol. 9, no. 4, pp. 516–526, 2010.