Was Ist Was, Band 91: Brücken
| Illustrator | Peter Klauke, Frank Kliemt |
| Scientific Advisor | Fritz Leonhardt |
| Cover/Jacket Design by | Manfred Kostka |
| Publisher | Tessloff Verlag |
| Series | WAS IST WAS |
| Copyright Holder | Tessloff Verlag |
| Format | Hardback |
| Language | German |
| Copyright | 1991 |
| Pages / Font | 48 pages |
| Series Number | 91 |
| ISBN | 3-7886-0633-9 |
| Barcode | 9 783788 606336 |
| Other | 9/91 |
Added by magerharz · Last edited by thethrowback