A brief note on the phosphate deposits of Egypt
| 1. Verfasser: |
Ball, John
|
|---|---|
| Ort/Verlag/Jahr: |
Cairo :
Government Press,
1913.
|
| Umfang/Format: |
6 S., 1 Kt. ; 27 cm. |
| Schriftenreihe: |
Survey Department paper / Ministry of Finance, Survey Department, Egypt
30 |
