Winnie Louis Lee Amitava Datta Rachel Cardell-Oliver FlexiMAC: A flexible TDMA-based MAC protocol for fault-tolerant and energy-efficient wireless sensor networks. 1-6 2006 ICON https://doi.org/10.1109/ICON.2006.302648 conf/icon/2006 db/conf/icon/icon2006.html#LeeDC06