| 其他書名 | An International Guide to Organizations, Systems and Services Concerned with the Interactive Electronic Transmission of Voice, Image and Data |
| 出版 | Thomson Gale, 1994-11 |
| ISBN | 08103912529780810391253 |
| URL | http://books.google.com.hk/books?id=sXyyAAAAIAAJ&hl=&source=gbs_api |