@article{oai:repository.dl.itc.u-tokyo.ac.jp:00016565,
 author = {李, 佳樑},
 journal = {言語情報科学},
 month = {Mar},
 pages = {49--61},
 title = {试论认识情态副词"保不X"的形成},
 volume = {9},
 year = {2011}
}