@article{oai:tsukuba.repo.nii.ac.jp:00005949,
 author = {張, 根壽 and Jang, Kun-soo},
 journal = {筑波日本語研究, Tsukuba Japanese Linguistics},
 month = {Aug},
 pages = {48--62},
 title = {「必ず」の共起条件と意味},
 volume = {7},
 year = {2002}
}