Pollock, Jean-Yves. 1989. Verb movement, Universal Grammar, and the structure of IP. Linguistic Inquiry 20. 365–424.
@article{pollock1989, author = {Pollock, Jean-Yves}, journal = {Linguistic Inquiry}, key = {Pollock 1989}, number = {3}, pages = {365–424}, title = {Verb movement, Universal Grammar, and the structure of IP}, volume = {20}, year = {1989} }