1. Ariel, M. (1990). Accessing noun-phrase antecedents. London: Routledge.
2. Almor, A. (1999). Noun-phrase anaphora and focus: The informational load hypothesis. Psychological Review, 106(4), 748–765.
3. Cardinaletti, A. & Starke, M. (1999). The typology of structural deficiency. In H. van Riemsdijik (Ed.), Clitics and other functional categories in European languages (pp. 145-233). Berlin: Mouton de Gruyter.
4. Chomsky, N. (1980). On binding. Linguistic Inquiry, 11, 1-46.
5. Chomsky, N. (1981). Lectures on Government and Binding. Dordrecht: Foris.