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Rock support methods in Norwegian tunnels and caverns | Article | Grimstad, E. | In Fossum, K., Gjæringen, G., & Moe, E. (2008). Underground openings operation, maintenance and repair. Publication No. 17. (pp 43-44). Oslo: Norwegian Tunnelling Society. | 2008 |
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The Stad naval tunnel. Protection of ships in stormy weather. | Article | Grimstad, E. | Norwegian Tunnelling Society. Publication No. 15. Sustainable Underground Concepts, pp. 99-101. | 2005 |