1. The optimization of trajectories;Breakwell;J. Soc. Indust. appl. Math.,1959
2. Minimum impulse transfer;Breakwell,1964
3. Matched asymptotic expansions, patched conics, and the computation of interplanetary trajectories;Breakwell,1966
4. Second-order matching in the restricted three-body problem;Breakwell;Celestial Mech.,1974
5. Asymptotic matching for interplanetary flybys;Breakwell;Rocky Mountain J. Math.,1976