@article{overlayInatel,
   author = {Daniel F. Macedo and Leonardo B. Oliveira and Antonio A. F. Loureiro},
   title = {Integrating Overlay Networks in Wireless Sensor Networks (In Portuguese)},
   journal = {National Telecommunications Institute Magazine},
   volume = {7},
   number = {1},
   year = {2004},
   note = {{ISSN} 1516-2338},
   pages = {36--43},
   publisher = {{INATEL}}
}