Coupe, C. and Hombert, J-M. (2005) Polygenesis of Linguistic Strategies: A Scenario for the Emergence of Languages. In James W. Minett and William S.-Y. Wang, editors, Language Acquisition, Change and Emergence: Essays in Evolutionary Linguistics . City University of Hong Kong Press.

Coupe, C. and Hombert, J-M. (2005) Polygenesis of Linguistic Strategies: A Scenario for the Emergence of Languages. In James W. Minett and William S.-Y. Wang, editors, Language Acquisition, Change and Emergence: Essays in Evolutionary Linguistics. City University of Hong Kong Press.