Boek
| Titel | Ruhr area : its structure and economic importance / K.H. Korangi, M. Brickman ; U.S. Department of Commerce. Office of International Trade |
|---|---|
| Objectnaam | boek |
| Objectnummer | 00203892 |
Vervaardiging
| Maker | Korangi, K.H. | Brickman, M. |
|---|---|
| Datering | 1949 |