Feature Percolation, Movement and Cross-Linguistic Variation in Pied-Piping Jeong-Me Yoon author 2001-02 text Proceedings of the 15th Pacific Asia Conference on Language, Information and Computation Benjamin K T’sou editor Olivia O.Y. Kwong editor Tom B.Y. Lai editor City University of Hong Kong Hong Kong, China conference publication yoon-2001-feature http://hdl.handle.net/2065/12200 https://aclanthology.org/Y01-1026/ 2001-02 283 292