1. The articulate mammal;Aitchison,1989
2. Normal acquisition processes explain the critical period for language learning;Bever,1981
3. Bever, T.G., Carrithers, C., Cowart, W., & Townsend, D.J. (in press). Tales of two sites: The quasimodularity of language. In A. Galaburda (Ed.). Neurology and language. Cambridge, MA: MIT Press.
4. Roots of language;Bickerton,1981
5. The physiological effects of monocular deprivation and their reversal in the monkey's visual cortex;Blakemore;Journal of Physiology,1978