@inproceedings{zhu08lightweight,
	author="Xianjin Zhu and Rik Sarkar and Jie Gao and Joseph S. B. Mitchell",
	title="Light-weight Contour Tracking in Wireless Sensor Networks",
	booktitle="Proceedings of the 27th Annual IEEE Conference on Computer Communications (INFOCOM'08)",
	month="May",
	year="2008"
}