@misc{oai:tsukuba.repo.nii.ac.jp:00009817,
 author = {杉山, 桂子 and Sugiyama, Keiko},
 month = {},
 note = {2004, 【要旨】},
 title = {The semantics and pragmatics of English modals : with special reference to their "peripheral" uses},
 year = {2005}
}