1. Mortari, D., Wilkins, M.P., Bruccoleri, C. The Flower Constellations. J. Astronautical Sci. Special Issue: The John L. Junkins Astrodynamics Symposium, No. 1 & 2, Vol. 52, pp. 107–127, January–June (2004a)
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3. Mortari, D., Abdelkhalik, O., Bruccoleri, C. Synodic and Relative Flower Constellations with Applications for Planetary Explorations. Paper AAS 05-151 of the 2005 Space Flight Mechanics Meeting Conference. Copper Mountain, CO, January 23–27 (2005)
4. Mortari, D., Wilkins, M.P., Bruccoleri, C. On Sun-Synchronous Orbits and Associated Constellations. Paper of the 6th Dynamics and Control of Systems and Structures in Space Conference, Riomaggiore, Italy, July 18–22 (2004b)
5. Park, K.J., Wilkins, M.P., Bruccoleri, C., Mortari, D. Uniformly Distributed Flower Constellation Design Study for Global Positioning System. Paper AAS 04-297 of the 2004 Space Flight Mechanics Meeting Conference, Maui, Hawaii, February 9–13 (2004)