@article{harris2011direct,
  title={Direct, physically motivated derivation of the contagion condition for spreading processes on generalized random networks},
  author={Peter Sheridan Dodds and Kameron D. Harris and Joshua L. Payne},
  journal={Physical Review E},
  volume={83},
  pages={056122},
  journalpage={http://pre.aps.org/abstract/PRE/v83/i5/e056122},
  year={2011},
  citations={9}
}