1. http://www.cleansky.eu (last consultation 30 July 2013).
2. A simplex crossover based evolutionary algorithm including the genetic diversity as objective;Da Ronco;Applied Soft Computing,2013
3. C. Comis Da Ronco, E. Benini, Gedea-II: A novel evolutionary algorithm for multi-objective optimization problems based on the simplex crossover and the shrink mutation, in: Lecture Notes in Engineering and Computer, Science: Proceedings of The World Congress on Engineering and Computer Science 2012, WCECS 2012, 24–26 October, 2012, San Francisco, USA, pp. 1298–1303, 2012.
4. G. Giancamilli, F. Nannoni, M. Cicalè, Erica: The European advanced tilt-rotor, European Rotorcraft Forum, 2001.
5. Shaping of axisymmetric bodies for minimum drag in incompressible flow;Parsons;J. Hydronaut.,1974