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Briscoe, Grammatical Assimilation, 2003	::	10
Fitch, The Evolution of Language: A Comparative Review, 2005	::	2
Johansson, Working backwards from modern language to proto-grammar, 2006	::	1
Mufwene, What do creoles and pidgins tell us about the evolution of languages?, 2008	::
Smith, The Transmission of Language: models of biological and cultural evolution, 2003	::	15