@article{oai:soai.repo.nii.ac.jp:00001028,
 author = {野中, 慶子},
 journal = {相愛大学研究論集, The annual report of researches of Soai University},
 month = {Mar},
 pages = {137--148},
 title = {A longtitudinal study of one american child’s first language acquisition},
 volume = {8},
 year = {1992}
}