1. Grafik: a multipurpose kinship metalanguage;Atkins,1974
2. Cognition, algebra, and culture in the Tongan kinship terminology;Bennardo;Journal of Cognition,2007
3. Mapping social concepts in monkeys;Dasser,1988
4. Mathematics in structural theory;El Guindi;Current Anthropology,1979
5. The mother's brother and the sister's son in West Africa;Goody;The Journal of the Royal Anthropological Institute of Great Britain and Ireland,1959