De telefoon. Orgaan van the International Telephone Union /
| Institution: | International Institute of Social History |
|---|---|
| Format: | TEXT |
| Published: |
Utrecht.
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| Subjects: | |
| Online Access: | http://hdl.handle.net/10622/8194E6E5-C745-469D-ADB0-FC478A78E426 |
| Description not available. |