@article{Fowler-2006-cosponsorship,
  doi = {10.1016/j.socnet.2005.11.003},
  url = {https://doi.org/10.1016/j.socnet.2005.11.003},
  year  = {2006},
  month = {oct},
  publisher = {Elsevier {BV}},
  volume = {28},
  number = {4},
  pages = {454--465},
  author = {James H. Fowler},
  title = {Legislative cosponsorship networks in the {US} House and Senate},
  journal = {Social Networks}
}