Telekom journal
Telekom journal
- v. : ill.
PTSL : 1990(v.2, no.1-2); 1991(v.3,no.1-2); 1992(v.4, no.1); 1996(v.8, no.1-2); 2000(v.12, no.1-2);
PTSL : 1990(v.2, no.1-2); 1991(v.3,no.1-2); 1992(v.4, no.1); 1996(v.8, no.1-2); 2000(v.12, no.1-2);