@article{palla2009statistical,
  title={Statistical Properties of Community Dynamics in Large Social Networks},
  author={Palla, Gergely and Vicsek, Tam{\'a}s},
  journal={International Journal of Agent Technologies and Systems (IJATS)},
  volume={1},
  number={4},
  pages={1--16},
  year={2009},
  publisher={IGI Global}
}