@article{monsted2017evidence,
  title={Evidence of complex contagion of information in social media: An experiment using Twitter bots},
  author={M{\o}nsted, Bjarke and Sapie{\.z}y{\'n}ski, Piotr and Ferrara, Emilio and Lehmann, Sune},
  journal={PloS one},
  volume={12},
  number={9},
  pages={e0184148},
  year={2017},
  publisher={Public Library of Science}
}