Hammarström et al. 2020

Hammarström, Harald and Forkel, Robert and Haspelmath, Martin and Bank, Sebastian. 2020. Glottolog 4.2.1.

http://glottolog.org

@misc{glottolog,
  address = {Jena},
  author  = {Hammarström, Harald and Forkel, Robert and Haspelmath, Martin and Bank, Sebastian},
  school  = {Max Planck Institute for the Science of Human History},
  title   = {Glottolog 4.2.1},
  url     = {http://glottolog.org},
  year    = {2020}
}