@article{oai:u-fukui.repo.nii.ac.jp:00026522,
 author = {TACHI, Kiyotaka},
 journal = {福井大学教育学部紀要 第I部 人文科学 外国語・外国文学編},
 month = {Jul},
 pages = {13--22},
 title = {Pied Piping in Direct and Indirect Questions},
 volume = {44},
 year = {1992}
}