@article{oai:tsukuba.repo.nii.ac.jp:00007231,
 author = {Inagaki, Daisuke and Iwata, Seiji},
 journal = {Tsukuba English Studies},
 month = {Aug},
 pages = {301--302},
 title = {Aspectual classification of English verbs},
 volume = {10},
 year = {1991}
}