Bibtex Entry:

@inproceedings{SEP_SANPA04,
   author =       "Georgios Smaragdakis and Ibrahim Matta and Azer Bestavros",
   title =        "{SEP: A Stable Election Protocol for clustered heterogeneous wireless sensor networks}",
   booktitle =    {Second International Workshop on Sensor and Actor Network Protocols and Applications (SANPA 2004)},
   year =         {2004},
   month =        {August},
   address =      {Boston, MA}
}