1. Low energy transit orbits in the restricted three-body problem;Conley;SIAM J. Appl. Math.,1967
2. Outcomes of planetary close encounters: A systematic comparison of methodologies;Greenberg;Icarus,1988
3. Orbit uncertainties, keyholes and collision probabilities;Chodas;Bull. Astron. Soc.,1999
4. Dynamics in the center manifoldof the restricted three-body problem;Jorba;Physica D,1999
5. Dynamical systems methods for space missionson a vicinity of collinear libration points;Simó,1999