1. American Petroleum Institute (API), 2000. Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platforms-Working Stress Design, 21st edition.
2. Braganza, D., Feemster, M., and Dawson, D., 2007. Positioning of large surface vessels using multiple tugboats. In: Proceedings the American Control Conference. ACC׳07, New York, NY, pp. 912–917.
3. Berge, S.P., and Fossen, T.I., 1997. Robust control allocation of over-actuated ships: experiments with a model ship. In: Proceedings of the 4th IFAC Conference on Manoeuvring and Control of Marine Craft, Brijuni, Croatia, pp. 166–171.
4. Evaluation of optimization methods for control allocation;Bodson;J. Guid. Control Dyn.,2002
5. Caterpillar, 2007. 3406C Marine Propulsion, Performance no. DM6094-01, Feature code 406DM22.