@article{oai:shizuoka.repo.nii.ac.jp:00002364, author = {Shirahata, Tomohiko}, journal = {Bulletin of Faculty of Education, Shizuoka University. Kyoka kyoiku series}, month = {Mar}, note = {application/pdf}, pages = {209--223}, title = {Overregularization in Second Language Acquisition}, volume = {32}, year = {2001} }