4Anderson, R. & Y. Shirai. 1994. Discourse motivations for some cognitive acquisition principles [J]. Studies in Second Language Acquisition. 16, 133-156.
5Au, T. K. & Y. K. Song. 1994. Input vs. constraints: Early word acquisition in Korean and English [J]. Journal of Memory and Language. 33, 567-582.
6Bemstein-Ratner, N. 1993. Interactive influences on phonological behavior: A case study[J]. Journal of Child Language.20, 191-197.
7Bates, E. 1999. On the nature and nurture of language[A]. In R. Levi-Montalcini, D. Baltimore, R. Dulbecco & F. Jacob (Series Eds.), and E. Bizzi, P. Calissano & V.Volterra (Vol. Eds.). Frontiere Della Biologia [Frontiers of Biology]. The Brain of Homo Sapiens [C]. Rome: Giovanni Trecanni.
8Bates, E. & G. F. Carnevale. 1993. New directions in research on language development[J]. Developmental Review. 13, 436-470.
9Bates, E. & J. Elman. 1996. Learning rediscovered [J]. Science. 274, 1849-1850.
10Chomsky, N. 1975. Reflections on Language. New York:Parthenon Press.
