1. Baddeley, A. D., Vargha-Khadem, F. and Mishkin, M. (2001). Preserved recognition in a case of developmental amnesia. Journal of Cognitive Neuroscience, 13, 3, 357–69.
2. Ballem, K. D. and Plunkett, K. (2005). Phonological specificity in children at 1; 2. Journal of Child Language, 32, 159–73.
3. Barrett, M. (1995). Early lexical development. In P. Fletcher and B. MacWhinney (eds), Handbook of Child Language (pp. 362–92). Cambridge, MA: Blackwell.
4. Bates, E., Benigni, L., Bretherton, I., Camaioni, L. and Volterra, V. (1979). The Emergence of Symbols. New York: Wiley.
5. Boysson-Bardies, B. de, Hallé, P., Sagart, L. and Durand, C. (1989). A crosslinguistic investigation of vowel formants in babbling. Journal of Child Language, 16, 1–17.