@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039218, author = {Sawada, Tsuyoshi}, journal = {Linguistic research : working papers in English linguistics}, month = {Dec}, note = {application/pdf}, pages = {1--37}, title = {ECM-Based Case Theory and Its Interaction with the A-bar System}, volume = {18}, year = {2001} }