@article{Liu:2013b,
	author          = {Q.~Liu and A.~Pruteanu and S.O.~Dulman},
	title           = {Gradient-Based Distance Estimation for Spatial Computers},
	journal         = {The Computer Journal},
	year            = {2013},
	volume          = {56},
	number          = {12},
	pages           = {1469-1499},
	issn            = {0010-4620},
	url             = {http://comjnl.oxfordjournals.org/content/56/12/1469.abstract},
	project         = {Shine},
	topic           = {Distributed Algorithms,Sensor Networks},
	group           = {ES}
}