@article{derenyi2005clique,
  title={Clique percolation in random networks},
  author={Der{\'e}nyi, Imre and Palla, Gergely and Vicsek, Tam{\'a}s},
  journal={Physical review letters},
  volume={94},
  number={16},
  pages={160202},
  year={2005},
  publisher={APS}
}