Eigenfactor

• C. T. Bergstrom (2007) Eigenfactor: Measuring the value and prestige of scholarly journals C&RL News 68(5)
  

Mapping

• M. Rosvall and C. T. Bergstrom (2007) Maps of information flow reveal community structure in complex networks Proceedings of the National Academy of Sciences USA. 105:1118-1123 Also arXiv physics.soc-ph/0707.0609v3

Bibliometrics

• B. M. Althouse, J. D. West, T. C. Bergstrom, and C. T. Bergstrom (2008) Differences in impact factor across fields and over time Working paper, arXiv:0804.3116v1 [physics.soc-ph]