@article{palla2007critical, title={The Critical Point of k-Clique Percolation in the Erd{\H{o}}s--R{\'e}nyi Graph}, author={Palla, Gergely and Der{\'e}nyi, Imre and Vicsek, Tam{\'a}s}, journal={Journal of Statistical Physics}, volume={128}, number={1-2}, pages={219--227}, year={2007}, publisher={Kluwer Academic Publishers-Plenum Publishers} }