1. Abbott, I.H., von Doenhoff, A.E.: Theory of Wing Section. Dover Publications Inc., New York (1949)
2. Airoldi, A., Crespi, M., Quaranta, G., Sala, G.: Design of a morphing airfoil with composite chiral structure. J. Aircr. 49(4), 1008–1019 (2012)
3. Bailly, J., Delrieux, Y.: Improvement of noise reduction and performance for a helicopter model rotor blade by active twist actuation. In: Proceedings of 35th European Rotorcraft Forum, Hamburg, Germany, 22–25 Sept (2009)
4. Barbarino, S., Bilgen, O., Ajaj, R.M., Friswell, M.I., Inman, D.J.: A review of morphing aircraft. J. Intell. Mater. Syst. Struct. 22(9), 823–877 (2011)
5. Bousman, W.G.: Airfoil design and rotorcraft performance. In: American Helicopter Society 58th Annual Forum, Montreal, Canada (2002)