@article{oai:ncu.repo.nii.ac.jp:00000083,
 author = {Okada, Hiroshi},
 issue = {1},
 journal = {オイコノミカ},
 month = {Sep},
 pages = {93--111},
 title = {A Thesis about the Characteristics and the Economic Benefit of the Electronic Distribution : Development of the Communication Karaoke},
 volume = {39},
 year = {2002}
}