S4C 'Y Byd ar Bedwar' - Radioactivity in north Wales
References
| Title | S4C, 'Y Byd ar Bedwar' - Contributor to, and participant in, a programme on radioactivity in North Wales. |
|---|---|
| Media name/outlet | S4C |
| Country/Territory | United Kingdom |
| Date | 12/12/90 |
| Description | S4C, 'Y Byd ar Bedwar' - Contributor to, and participant in, a programme on radioactivity in North Wales. |
| Persons | David Assinder |