@article{oai:waseda.repo.nii.ac.jp:00028307,
 author = {金水, 敏},
 journal = {早稲田日本語研究},
 month = {Mar},
 pages = {3--10},
 title = {日本語史とは何か -言語を階層的な資源と見る立場から-},
 volume = {20},
 year = {2011}
}