@ARTICLE{
author={Li Xu,Frey Hannes,Santoro Nicola,Stojmenovic Ivan},
year={2011},
title={Strictly Localized Sensor Self-Deployment for Optimal Focused Coverage},
journal={IEEE TRANSACTIONS ON MOBILE COMPUTING},
volume={10},
number={11},
pages={1520-1533},
document_type={Article},
} 

@ARTICLE{
author={Li Xu,Santoro Nicola,Stojmenovic Ivan},
year={2009},
title={Localized Distance-Sensitive Service Discovery in Wireless Sensor and Actor Networks},
journal={IEEE TRANSACTIONS ON COMPUTERS},
volume={58},
number={9},
pages={1275-1288},
document_type={Article},
}