@article{rechkoska shikoska2011an,
  title={An Energy-Efficient Approach for Time-Space Localization in Wireless Sensor Networks}
  author={Rechkoska Shikoska, Ustijana and Davcev, Danco}
  journal={ICT Innovations 2011, Web Proceedings ISSN 1857-7288}
  pages={107--118}
  year={2011}
}