Loftus et al. 1994

Loftus, R T and MacHugh, D E and Bradley, D G and Sharp, P M and Cunningham, P. 1994. Evidence for two independent domestications of cattle. Proceedings of the National Academy of Sciences 91. 2757–2761. National Academy of Sciences.

https://www.pnas.org/content/91/7/2757

@article{jacquesestimative-Loftus94cattle,
  author    = {Loftus, R T and MacHugh, D E and Bradley, D G and Sharp, P M and Cunningham, P},
  eprint    = {https://www.pnas.org/content/91/7/2757.full.pdf},
  journal   = {Proceedings of the National Academy of Sciences},
  number    = {7},
  pages     = {2757–2761},
  publisher = {National Academy of Sciences},
  title     = {Evidence for two independent domestications of cattle},
  url       = {https://www.pnas.org/content/91/7/2757},
  volume    = {91},
  year      = {1994}
}