@inproceedings{vieira03etfa,
   author = {Marcos Augusto Menezes Vieira and Di\'{o}genes Cec\'{i}lio {da Silva Jr.} and Claudionor J. N. {Coelho Jr.} and Jos\'{e} M. da Mata},
   title = {Survey on Wireless Sensor Network Devices},
   year = {2003},
   booktitle = {Proceedings of the 9th {IEEE} International Conference on Emerging Technologies and Factory Automation ({ETFA'03})},
   month = {September},
   address= {Lisbon, Portugal}
}