@article{oai:senzoku.repo.nii.ac.jp:00000392,
 author = {Dilenschneider, Robert F. and Dilenschneider, Robert F.},
 journal = {洗足論叢, Memoirs by the members of Senzoku-Gakuen College},
 month = {Mar},
 note = {17, KJ00010286555},
 title = {The Critical Period: A Literature Review},
 volume = {29},
 year = {2001}
}