@article{oai:shoin.repo.nii.ac.jp:00000200, author = {西垣内, 泰介 and NISHIGAUCHI, Taisuke}, journal = {Theoretical and applied linguistics at Kobe Shoin : トークス}, month = {Mar}, pages = {15--37}, title = {On the wh-Island Condition}, volume = {1}, year = {1998} }