@article{oai:sapporo-u.repo.nii.ac.jp:00003119,
 author = {リームスト and Reemst, Peter},
 journal = {文化と言語 : 札幌大学外国語学部紀要},
 month = {Mar},
 note = {P},
 pages = {75--85},
 title = {The importance of age in language acquisition},
 volume = {54},
 year = {2001}
}