1. Abney, S.P., 1987. The English noun phrase in its sentential aspect. Ph.D. Thesis, MIT, Cambridge MA.
2. Combinatorial variability;Adger;Journal of Linguistics,2006
3. Variability and modularity: a response to Hudson;Adger;Journal of Linguistics,2007
4. Variation and the Minimalist Program;Adger,2005
5. An asymmetry between personal pronouns and other DPs;Bianchi;Snippets 13,2006