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2. Bitner-Gregersen, E. M., 2005. Joint probabilistic description for combined seas. The proceedings of the 24th International Conference on Offshore Mechanics and Arctic Engineering, Halkidiki, Greece, 2: 169–180.
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4. China Classification Society, 1994. Rules for the Classification and Construction of Fixed Offshore Platforms (Supplementary Requirement). Communication Press of China, Beijing, 6pp (in Chinese).
5. China Classification Society, 2004. Rules and Regulations for the Construction and Survey of Fixed Offshore Platforms in Shallow Waters. Communication Press of China, Beijing, 7 (in Chinese).