1. Abell, P., Barbee, B.W., Mink, R.G., Adamo, D.R., Alberding, C.M., Mazanek, D.D., et al.: The near-Earth object human space flight accessible targets study (NHATS) list of near-Earth asteroids: identifying potential targets for future exploration. In: AAS/Division for Planetary Sciences Meeting Abstracts, vol. 44 (2012)
2. Anderson, R.L., Lo, M.W.: Role of invariant manifolds in low-thrust trajectory design. J. Guida. Control Dyn. 32, 1921–1930 (2009)
3. Augustine, N.R., Austin, W.M., Bajmuk, B.I., Chiao, L., Chyba, C., Crawley, E.F., et al.: Seeking a Human Spaceflight Program Worthy of a Great Nation. Review of US Human Spaceflight Plans Committee, National Aeronautics and Space Administration (2009)
4. Baoyin, H.X., Chen, Y., Li, J.F.: Capturing near Earth objects. Res. Astron. Astrophys. 10(6), 587 (2010)
5. Belbruno, E.: Lunar capture orbits, a method of constructing Earth-Moon trajectories and the lunar gas mission. In: Paper AIAA 87–1054, Proceedings of the 19th AIAA/DGLR/JSASS International Electric Propulsion Conference, Colorado Springs, CO (1987)