@inproceedings{karl2003data2,
  author = {Karl, Holger and Lobbers, Marc and Nieberg, Tim},
  title = {{A Data Aggregation Framework for Wireless Sensor}},
  address = {Amsterdam, Netherlands},
  booktitle = {Dutch Technology Foundation ProRISC Workshop on Circuits, Systems and Signal Processing},
  month = {11},
  year = {2004},
}