U-Bahnen in Europa / Metros in Europe
| No. | Author | Title |
|---|---|---|
| 1 | Schwandl, Robert | U-Bahnen in Skandinavien / Metros in Scandinavia Stockholm, Oslo, Helsinki, København |
International Database and Gallery of Structures
International Database and Gallery of Structures
| No. | Author | Title |
|---|---|---|
| 1 | Schwandl, Robert | U-Bahnen in Skandinavien / Metros in Scandinavia Stockholm, Oslo, Helsinki, København |