@article{saitou1987,
  title={The neighbor-joining method: a new method for reconstructing phylogenetic trees.},
  author={Naruya Saitou and M Nei},
  year={1987},
  journal={Molecular Biology and Evolution},
  doi={10.1093/oxfordjournals.molbev.a040454},
  url={https://doi.org/10.1093/oxfordjournals.molbev.a040454}
}