@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039242, author = {Shiobara, Kayono}, journal = {Linguistic research : working papers in English linguistics}, month = {Dec}, note = {application/pdf}, pages = {1--17}, title = {The Qualitative Difference in Acceptability in Extraposition from NP Sentences}, volume = {16}, year = {1999} }