Strait of Gibraltar Crossing

1. Greiner-Mai, D. (1995): Brücken oder Tunnel? - Die feste Verbindung über die Straße von Gibraltar. In: Bautechnik, v. 72, n. 11 (November 1995), pp. 768-769.
2. Brux, Gunther (2011): Eisenbahntunnel unter der Meerenge von Gibraltar - an der Grenze der Machbarkeit. In: Bautechnik, v. 88, n. 1 (January 2011), pp. 62-64.

   https://doi.org/10.1002/bate.201090161

3. Villanueva, A. / Serrano, J. M. (1986): Geological and geotechmical studies for the Gibraltar tunnel. In: Tunnelling and Underground Space Technology, v. 1, n. 3-4 (January 1986), pp. 237-241.

   https://doi.org/10.1016/0886-7798(86)90004-0

4. Lin, T'ung-yen / Chow, P. (1991): Gibraltar Strait Crossing - A Challenge to Bridge and Structural Engineers. In: Structural Engineering International, v. 1, n. 2 (May 1991), pp. 53-58.

   https://doi.org/10.2749/101686691780617779

5. Brainov, M. (1992): Gibraltar Strait Crossing - An Alternative: a Submerged Bridge-Tunnel. In: Structural Engineering International, v. 2, n. 2 (May 1992), pp. 140-142.

   https://doi.org/10.2749/101686692780615888