@inproceedings{loureirosbrc03b,
   author = {A. A. Loureiro and Linnyer B. Ruiz and Fernanda P. Franciscani and Rainer R. Couto and Jos\'{e} Marcos S. Nogueira},
   title = {Wireless Sensors Networks Middleware (in Portuguese)},
   booktitle = {Proceedings of the 21st Brazilian Computer Networks Symposium ({SBRC'03})},
   year = {2003},
   pages = {89--115},
   address = {Natal, RN, Brazil},
   month = {May},
   note = {Tutorial},
}