@article{oai:tsukuba.repo.nii.ac.jp:00007261,
 author = {Shimada, Masaharu},
 journal = {Tsukuba English Studies},
 month = {Aug},
 pages = {279--299},
 title = {On the presence and absence of that in that-relative clauses},
 volume = {11},
 year = {1992}
}