Position: 20 Kilometers, Heavy Construction World's Longest Immersed Tunnel, 40 Meters Underwater.
| Autor: | Jensen, Anna, Hermsmeyer, Dirk, Huck, Bastian, Rüffer, Jürgen, Skjellerup, Peter |
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| Zdroj: | GPS World. May2011, Vol. 22 Issue 5, p30-37. 8p. |
| Databáze: | Business Source Ultimate |
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