@mastersthesis{03wagner,
   author = {Wagner L. Cardoso Gomes de Freitas},
   title = {Distributed Algorithms for State Retrieving in Wireless Sensor Networks (In Portuguese)},
   school = {{Computer Science Department of the Federal University of Minas Gerais}},
   month = {August},
   year = {2003},
   address = {Belo Horizonte, MG, Brazil},
}