@article{oai:toyo.repo.nii.ac.jp:00005590,
 author = {城川, 俊一},
 issue = {1},
 journal = {経済論集, The Economic review of Toyo University.},
 month = {Jan},
 pages = {p81--131},
 title = {日米の情報通信インフラの比較},
 volume = {20},
 year = {1995}
}