@article{ Deng07-TOC,
  author = {J. Deng and Y. S. Han and P.-N. Chen and P. K. Varshney},
  title = {Optimal Transmission Range for Wireless Ad Hoc Networks Based on
Energy Efficiency},
  journal = {IEEE Trans. on Communications},
  volume = {55},
  number = {9},
  pages = {1772-1782},
  month = {September},
  year = {2007} }