@article{2011a,
  author = "S. Dietzel and F. Kargl and G. Heijenk and F. Schaub",
  title = "Modeling in-Network Aggregation in VANETs",
  year = 2011,
  journal = "IEEE Communications Magazine",
  publisher = "IEEE",
  volume = 49,
  number = 11,
  doi = "10.1109/MCOM.2011.6069721"
}