Llwytho...
International Encyclopedia of Communications
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Oxford University
1989
|
| Pynciau: |
UL
| Rhif Galw: |
007(100)(031) BAR.2 R |
|---|---|
| Copi | Nid yw'r Statws Byw ar Gael |