References
| Autor: | Godfrey, Helen, author |
|---|---|
| Zdroj: | Submarine Telegraphy and the Hunt for Gutta Percha: Challenge and Opportunity in a Global Trade. 15:298-325 |
| Databáze: | Brill E-Book Collection |
| Externí odkaz: |
|
| Autor: | Godfrey, Helen, author |
|---|---|
| Zdroj: | Submarine Telegraphy and the Hunt for Gutta Percha: Challenge and Opportunity in a Global Trade. 15:298-325 |
| Databáze: | Brill E-Book Collection |
| Externí odkaz: |
|