@article{BommaritoII2010DistanceMeasuresForDynamicCitation,
  author = {Bommarito II, M. J. and Katz, D. M. and Zelner, J. L. and Fowler, J. H.},
  title = {Distance measures for dynamic citation networks},
  journal = {Physica A: Statistical Mechanics and its Applications},
  year = {2010},
  url = {https://arxiv.org/abs/0909.1819}
}