1. Die Erreichbrakeit der Himmelskörper;Hohmann,1925
2. Survey of impulsive trajectories;Gobetz;AIAA J.,1969
3. Introduction to the Mathematics and Methods of Astrodynamics;Battin,1999
4. Optimal Trajectories for Space Navigation;Lawden,1963
5. Optimum two-impulse transfer between arbitrary coplanar terminals;Horner;ARS J.,1962