Book reviews: Solan,Lawrence 1983: Pronominal reference. Child language and the theory of grammar. Dordrecht,Boston and Lancaster: D. Reidel Publishing Company. xii + 237p

Klein, S. 1982: Syntactic theory and the developing grammar. PhD Dissertation UCLA.

Pinker, S. 1984: Language learnability and language development , Cambridge.

Weerman, F. 1986: Against the COMP/INFL parameter. Paper, Utrecht University.

White, L. 1985: The "PRO-DROP" parameter in adult second language acquisition . Language Learning 35: 47-61.