Classification of Military Roads
| Autor: | Pennybacker, J. E. |
|---|---|
| Zdroj: | The Military Engineer, 1925 May 01. 17(93), 256-256. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|
| Autor: | Pennybacker, J. E. |
|---|---|
| Zdroj: | The Military Engineer, 1925 May 01. 17(93), 256-256. |
| Databáze: | JSTOR Journals |
| Externí odkaz: |
|