S. Lindsey, C. Raghavendra and K. Sivalingam, “Data Gathering Algorithms in Sensor Networks Using Energy Metrics,” IEEE Transactions on Parallel and Distributed Systems, Vol. 13, No. 9, 2002, pp. 924-935. doi:10.1109/TPDS.2002.1036066
 V. Loscri, G. Morabito and S. Marano, “A Two-Levels Hierarchy for Low-Energy Adaptive Clustering Hierarchy (TL-LEACH),” Proceedings of IEEE Vehicular Technology Conference, Dallas, 25-28 September 2005, pp. 1809-1813.
 W. R. Heinzelman, A. P. Chandrakasan and H. Balakrishnan, “An Application-Specific Protocol Architecture for Wireless Microsensor Networks,” IEEE Transactions on Wireless Communication, Vol. 1, No. 4, 2002, pp. 660-670. doi:10.1109/TWC.2002.804190.
 P. Lin, C. Qiao and X. Wang, “Medium Access Control with a Dynamic Duty Cycle for Sensor Networks,” Proceedings of IEEE Wireless Communications and Networking Conference, Atlanta, 21-25 March 2004, Vol. 3, pp. 1534-1539.
 M. Neugebauer, J. Ploennigs and K. Kabitzsch, “Duty Cycle Adaptation with Respect to Traffic,” Proceedings of Emerging Technologies and Factory Automation, Catania, 19-22 September 2005, pp. 8-432.
 P. Bahl, M. T. Hajiaghayi, K. Jain, V. Mirrokni, L. Qiu and A. Saberi, “Cell Breathing in Wireless LANs: Algorithms and Evaluation,” IEEE Transactions on Mobile Computing, Vol. 6, No. 2, 2007, pp. 167-178. doi:10.1109/TMC.2007.20
 M. Arzamendia, K. Mori, K. Naito and H. Kobayashi, “Traffic Adaptive MAC Mechanism for IEEE 802.15.4 Cluster Based Wireless Sensor Networks with Various Traffic Non-Uniformities,” IEICE Transactions on Communication, Vol. E93-B, No. 11, 2010, pp. 3035-3047.