1. Larson, W. J., and Wertz, J. R., Space Mission Analysis and Design, 3rd ed.Microcosm Press, El Segundo, CA, 1999, pp.137-146.
2. The Flower Constellations visualization and analysis tool
3. Vallado, D. A., Fundamentals of Astrodynamics and Applications, 2nd ed.Microcosm Press, El Segundo, CA, 2001, pp.126-130.