@article{oai:minpaku.repo.nii.ac.jp:00003256,
 author = {杉田, 洋 and Sugita, Hiroshi},
 journal = {Senri Ethnological Studies},
 month = {Mar},
 pages = {53--84},
 title = {Aspectual Systems of Trukese and Ponapean},
 volume = {21},
 year = {1987},
 yomi = {スギタ, ヒロシ}
}