@article{oai:tsukuba.repo.nii.ac.jp:00006220,
 author = {OBATA, Miki},
 journal = {筑波応用言語学研究, Tsukuba Journal of Applied Linguistics},
 month = {Dec},
 pages = {41--53},
 title = {A Preliminary Study on Phase and Convergence},
 volume = {10},
 year = {2003}
}