Hady S. AbdelSalam Stephan Olariu HexNet: Hexagon-Based Localization Technique For Wireless Sensor Networks. 1-6 2009 PerCom Workshops http://dx.doi.org/10.1109/PERCOM.2009.4912871 conf/percom/2009w db/conf/percom/percomw2009.html#AbdelSalamO09