Dheeraj Reddy Bheemidi Nigamanth Sridhar A Wrapper-Based Approach to Sustained Time Synchronization in Wireless Sensor Networks. 209-214 2008 ICCCN http://dx.doi.org/10.1109/ICCCN.2008.ECP.55 conf/icccn/2008 db/conf/icccn/icccn2008.html#BheemidiS08