| Pierre J. Bancel & Alain Matthey de l'Etang. 2002. Tracing the Ancestral Kinship System: The Global Etymon KAKA. Part I: A Linguistic Study. Mother Tongue VII - In Honor of Joseph H. Greenberg. 209-244. |
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| Alain Matthey de l'Etang & Pierre J. Bancel. 2002. Tracing the Ancestral Kinship System: The Global Etymon KAKA. Part II: An Anthropological Study. Mother Tongue VII - In Honor of Joseph H. Greenberg. 245-258. |
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| Alain Matthey de l’Etang & Pierre J. Bancel. 2005. The Global Distribution of (P)APA and (T)ATA and their Original Meaning. Mother Tongue IX, 133-169. |
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| Pierre J. Bancel & Alain Matthey de l'Etang. 2005. Kin Tongue. A Study of Kin Nursery Terms in Relation to Language Acquisition, with a Historical and Evolutionary Perspective.Mother Tongue IX, 171‑190. |
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| Pierre J. Bancel & Alain Matthey de l'Etang 2006. Kin Terms (P)APA, (T)ATA, (M)AMA, (K)AKA and the Origin of Articulate Language. Cognitive Systems 7-1. 79-102. |
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| Alain Matthey de l’Etang and Pierre J. Bancel. 2008. The Age of Mama and Papa. In J.D. Bengtson ed. In Hot Pursuit of Language in Prehistory. Essays in the four fields of anthropology in honor of Harold Crane Fleming. Amsterdam: John Benjamins. 417-438. |
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| Pierre J. Bancel. & Alain Matthey de l'Etang. 2008. The Millenial Persistence of Indo-European and Eurasiatic Pronouns and the Origin of Nominals. In J.D. Bengtson ed. In Hot Pursuit of Language in Prehistory. Essays in the four fields of anthropology in honor of Harold Crane Fleming. Amsterdam: John Benjamins. 439-464. |
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| Alain Matthey de l'Etang, Pierre Bancel, and Merritt Ruhlen. 2011. Back to Proto-Sapiens (Part 1): The Inherited Kinship Terms Papa, Mama, and Kaka. In Doug Jones and Bojka Milicic eds. Kinship, Language, and Prehistory. Per Hage and the Renaissance in Kinship Studies.The University of Utah Press. |
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| Pierre J. Bancel, Alain Matthey de l'Etang, and John D. Bengtson. 2011. Back to Proto-Sapiens (Part 2): The Global Kinship Terms Papa, Mama and Kaka. In Doug Jones and Bojka Milicic eds. Kinship, Language, and Prehistory. Per Hage and the Renaissance in Kinship Studies.The University of Utah Press. |
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| Pierre J. Bancel & Alain Matthey de l'Etang. 2013. Brave new words. In Claire Lefebvre, Bernard Comrie and Henri Cohen eds. New Perspectives on the Origins of Language. Amsterdam: John Benjamins. 333–378. |
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