GMD | Text |
Language | Chi |
Classification | 384.09 4408 2000 |
Publisher | 洪波, 香港, 2000 |
Edition | 第1版. |
Subject | Telecommunication -- Popular works.Telecommunication -- Technological innovations -- Popular works.Telecommunication -- History |
Series | 科技普及知識叢書 |
Description | [3], 118 p. : ill. ; 20 cm. |
ISBN | 9789626711163 |