@article{oai:jumonji-u.repo.nii.ac.jp:00001115,
 author = {OSLAPAS, Gintaras Albertas and OSLAPAS, Gintaras Albertas},
 journal = {社会情報論叢, THE JUMONJI JOURNAL OF SOCIAL AND INFORMATION SCIENCES},
 month = {Dec},
 pages = {111--130},
 title = {Ｔｈｅ　Ｎａｔｕｒａｌ　Ａｐｐｒｏａｃｈ　ｉｎ　ａｎ　ＥＳＰ　Ｃｌａｓｓ ： Ａｎ　Ａｐｐｌｉｃａｔｉｏｎ　ｏｆ　Ｓｔｅｐｈｅｎ　Ｋｒａｓｈｅｎ’ｓ　Ｍｅｔｈｏｄ　ｆｏｒ　Ｌａｎｇｕａｇｅ　Ａｃｑｕｉｓｉｔｉｏｎ　ｉｎ　ｔｈｅ　Ｃｌａｓｓｒｏｏｍ},
 volume = {7},
 year = {2003}
}