@inproceedings{gossip07sarkar,
	author="Rik Sarkar and Xianjin Zhu and Jie Gao",
	title="Hierarchical Spatial Gossip for Multi-Resolution Representations in Sensor Networks",
	booktitle="Proc. of the International Conference on Information Processing in Sensor Networks (IPSN'07)",
	pages="420--429",
	month="April",
	year="2007"
}