1. Ackerman, F., 2000. Syntactic expression as morphological exponence. Talk given at the Chicago Linguistics Society Meeting. Retrieved 18 January 2002 from the World Wide Web: http://ling.ucsd.edu/∼ackerman/clspaperweb.pdf.
2. Vodskii iazyk;Adler,1966
3. The mirror principle and morphosyntactic explanation;Baker;Linguistic Inquiry,1985
4. Generalized Verb Movement;Belletti,1990
5. Verb positions: evidence from Italian;Belletti,1994