Editorial

Berwick, R.C. , and Weinberg, A.S. 1984: The grammatical basis of linguistic performance: language acquisition and use. Cambridge, Massachusetts: MIT Press.

Hornstein, N. and Lightfoot, D. editors, 1981: Explanation in linguistics . London: Longman.

Wexler, K. and Culicover, P. 1980: Formal principles of language acquisition. Cambridge, Massachusetts: MIT Press.