1. Bottasso, C.L., Campagnolo, F., Croce, A., Tibaldi, C.: Optimization-based study of bend-twist coupled rotor blades for passive and integrated passive/active load alleviation. Wind Energy. doi: 10.1002/we.1543 (2012)
2. Wind Turbines. Part 1. Design Requirements, 3rd edn. International Standard IEC 61400-1 (2005)
3. Guideline for the Certification of Wind Turbines, edn. 2010. Germanischer Lloyd Industrial Services GmbH, Renewables Certification, Brooktorkai 10, 20457 Hamburg, Germany (2010)
4. Lee, D., Hodges, D.H., Patil, M.J.: Multi-flexible-body dynamic analysis of horizontal axis wind turbines. Wind Energy 5, 281–300 (2002)
5. Bauchau, O.A., Bottasso, C.L., Nikishkov, Y.G.: Modeling rotorcraft dynamics with finite element multibody procedures. Math. Comput. Model. 33, 1113–1137 (2001)