@misc{leskovec2006graph,
  title={Graph Evolution: Densification and Shrinking Diameters},
  author={Jure Leskovec and Jon Kleinberg and Christos Faloutsos},
  year={2006},
  eprint={physics/0603229},
  archivePrefix={arXiv},
  primaryClass={physics.soc-ph},
  url={https://arxiv.org/abs/physics/0603229}
}