Telcom report international.
Telcom report international.
- Berlin : Siemens Aktiengesellschaft, 1993.
- v. : ilus.,diagrs ; 28 cm.
V.16 No.2. V.16 No.3. V.16 No.4. V.16 No.5. V.16 No.6.
V.16 No.2. V.16 No.3. V.16 No.4. V.16 No.5. V.16 No.6.