* Bechaus-Gerst, Marianne, 2000, "The Origins and Development of African Livestock: Archaeology, Genetics, Linguistics and Ethnography", "Linguistic evidence for the prehistory of livestock in Sudan".
"==References====Further reading==*Bechaus-Gerst, Marianne, 2000, "The Origins and Development of African Livestock: Archaeology, Genetics, Linguistics and Ethnography", "Linguistic evidence for the prehistory of livestock in Sudan".