Forkel, Robert Linguistic and Cultural Evolution, Max Planck Institute for the Science of Human History, Max Planck Society;
Forkel, R., & Hammarström, H. (2021). Glottocodes: identifiers linking families, languages and dialects. Semantics Web Journal, 2685-3899. Retrieved from http://www.semantic-web-journal.net/content/glottocodes-identifiers-linking-families-languages-and-dialects.