G. Aigoin, Air traffic complexity modeling, Master's thesis, Ecole Nationale de l'Aviation Civile, 2001.

D. Delahaye, J. Farges, J. Schoenauer, and . Alliot, Genetic algotithms for air traffic assignment, Proceedings of the European Conference on Artificial Intelligence, ECAI Genetic algotithms for partitioning airspace, Proceedings of the 1Oth Conference on Artificial Intelligence for Applications, 1994.

D. Delahaye and A. Odoni, Aispace congestion smoothing by stochastic optimization, Proceedings of the Evolutionnary Programming Conference, 1997.
DOI : 10.1007/bfb0014809

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

D. Delahaye, R. S. Paimblanc, J. Hansman, and . Histon, A new air traffic complexity metric based on dynamical system modelization, Proceedings. The 21st Digital Avionics Systems Conference, 2002.
DOI : 10.1109/DASC.2002.1067960

URL : https://hal.archives-ouvertes.fr/hal-00938408

D. Delahaye and S. Puechmorel, Air traffic complexity : Towards intrinsic metrics, Proceedings of the Second USA, 2000.

D. Suter and F. Chen, Fast evaluation of vector splines in three dimensions

P. E. Crouch, G. Brunett, and F. Silva-leite, Spline elements on spheres, Mathematical Methods for Curves and Surfaces, 1995.

J. Histon, . Aigoin, R. Delahaye, and . Hansman, S, Introducing structural consideration into complexity metrics, Proceedings of the Fourth USA, 2001.

J. Histon, R. Hansman, H. Gottlieb, . Kleinwaks, . Yenson et al., Structural considerations and cognitive complexity in air traffic control, Proceedings. The 21st Digital Avionics Systems Conference, 2002.
DOI : 10.1109/DASC.2002.1067894

URL : https://hal.archives-ouvertes.fr/hal-00938407

B. Windemere-inc, . Kirwan, R. Scaife, and . Kennedy, An evaluation of air traffic control complexity Investigating complexity factors in u.k. air traffic management, Human Factors and Aerospace Safety, vol.12, issue.12, 1996.

I. Laudeman, S. Shelden, C. Branstrom, and . Brasil, Dynamic density : an air traffic management metric, 1998.

S. Mondoloni and D. Liang, Airspace fractal dimension and applications, Proceedings of the Fourth USA, 2001.

B. Sridhar, K. Seth, and S. Grabbe, Airspace complexity and its application in air traffic management, Proceedings of the Second USA, 2001.

D. Suter, Motion estimation and vector splines, Proceedings of IEEE Conference on Computer Vision and Pattern Recognition CVPR-94
DOI : 10.1109/CVPR.1994.323929

URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=

G. Wahba, Spline models for observational data, SIAM, 1990.
DOI : 10.1137/1.9781611970128