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2. Bjerkås, M., Moslet, P.O., Jochmann, P., Løset, S., 2003. Global ice loads on the lighthouse norströmsgrund in the winter 2001. In: Proceedings of the 17th Internaional Conference on Port and Ocean Engineering Under Arctic Conditions, vol. 2, pp. 829–838.
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4. ISO 19906, 2010. Petroleum and Natural gas Industries – Arctic Offshore structures, Annex B.13
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