@article{oai:kwansei.repo.nii.ac.jp:00024177,
 author = {Wright, David and 武田, 俊之 and Wright, David and Takeda, Toshiyuki},
 issue = {3},
 journal = {関西学院大学高等教育研究},
 month = {Mar},
 pages = {75--84},
 title = {Language Acquisition Database},
 year = {2013}
}