@article{oai:bunkyo.repo.nii.ac.jp:00003053,
 author = {栗林, 訓},
 journal = {情報研究, Information and Communication Sｔudies},
 month = {2003-07-01, 2009-05-21},
 pages = {15--18},
 title = {An Essay on Barriers to the Ventures},
 volume = {29},
 year = {}
}