@article{oai:tsukuba.repo.nii.ac.jp:00007181,
 author = {Arita, Yukiko and Kusayama, Manabu},
 journal = {Tsukuba English Studies},
 month = {Sep},
 pages = {79--99},
 title = {<Articles>On the Flexibility of Please},
 volume = {21},
 year = {2002}
}