Hurford, J. and Kirby, S. (1999) Co-Evolution of Language Size and the Critical Period. In David Birdsong, editor, Second Language Acquisition and the Critical Period Hypothesis , pages 39--63. Lawrence Erlbaum.

Hurford, J. and Kirby, S. (1999) Co-Evolution of Language Size and the Critical Period. In David Birdsong, editor, Second Language Acquisition and the Critical Period Hypothesis, pages 39--63. Lawrence Erlbaum.

Hurford, Language Learning from Fragmentary Input, 1999	::	6
Hurford, Social transmission favours linguistic generalization, 2000	::	30
Kirby,Hurford, The evolution of incremental learning: language, development and critical periods, 1997	::	8
Kirby, Natural Language from Artificial Life, 2002	::	50
Komarova,Nowak, Natural selection of the critical period for language acquisition, 2001	::	8
Komarova, Population dynamics of human language: a complex system, 2006	::