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3. Anderson, Stephen (1976) ‘On the notion of subject in ergative languages’, in: Charles Li (ed.), Subject and Topic. Academic Press, New York, pp. 1–23.
4. Aoun, Joseph and Audrey Li (1989) ‘Scope and constituency’, Linguistic Inquiry 20, 141–172.
5. Aoun, Joseph and Yen-hui Audrey Li (1993) Syntax of Scope. MIT Press, Cambridge, Mass.