A. Swami, Q. Zhao, Y. Hong and L. Tong, “Wireless Sensor Networks, Signal Processing and Communications Perspectives,” John Wiley & Sons, Hoboken, 2007, pp. 9-89. http://dx.doi.org/10.1002/9780470061794
 L. Schenato and G. Gamba, “A Distributed Consensus PROTOCOL for Clock Synchronization in Wireless Sensor network,” Proceedings of the 46th IEEE Conference on Decision and Control, New Orleans, 2007.
 T. Locher, P. Von Rickenbach and R. Wattenhofer, “Sensor Networks Continue to Puzzle: Selected Open Problems,” Proceedings of the 9th International Conference on Distributed Computing and Networking, 2008. http://dx.doi.org/10.1007/978-3-540-77444-0_3
 P. Briff, F. Vargas, A. Lutenberg and L. Rey Vega, “On the Trade-Off of Power Consumption and Time Synchroni-zation Quality in Wireless Sensor Networks,” Proceed-ings of the 11th IEEE Conference on Sensors, Taipei, 2012, pp. 1927-1930.
 J. Elson, L. Girod and D. Estrin, “Fine-Grained Network Time Synchronization Using Reference Broadcasts,” Proceedings of the 5th Symposium on Operating Systems Design and Implementation, Boston, 2002.
 K. Noh, E. Serpedin and K. Qaraqe, “A New Approach for Time Synchronization in Wireless Sensor Networks: Pairwise Broadcast Synchronization,” IEEE Transactions on Wireless Communications, Vol. 7, No. 9, 2008.
 E. Serpedin and Q. Chaudhari, “Synchronization in Wireless Sensor Networks: Parameter Estimation, Performance Benchmarks, and Protocols,” Cambridge University Press, Cambridge, 2009. http://dx.doi.org/10.1017/CBO9780511627194
 Q. Chaudhari, E. Serpedin and K. Qaraqe, “Cramer-Rao Lower Bound for the Clock Offset of Silent Nodes Synchronizing through a General Sender-Receiver Protocol in Wireless Sensornets,” 16th European Signal Processing Conference (EUSIPCO), Lausanne, 2008.
 F. Ferrari, M. Zimmerling, L. Thiele and O. Saukh, “Efficient Network Flooding and Time Synchronization with Glossy,” IEEE 10th International Conference on Information Processing in Sensor Networks (IPSN), 2011, pp. 73-84.
 T. Schmid, P. Dutta, and M. B. Srivastava, “High-Resolution, Low-Power Time Synchronization an Oxymoron No More,” Proceedings of the 9th ACM/IEEE International Conference on Information Processing in Sensor Networks, 2010, pp. 151-161.
 M. Maroti, B. Kusy, G. Simon and A. Ledeczi, “The Flooding Time Synchronization Protocol,” Proceedings of 2nd International Conference on Embedded Networked Sensor Systems, 2004, pp. 39-49. http://dx.doi.org/10.1145/1031495.1031501