1. An introductory treatise on the lunar theory;Brown,1896
2. Moon-earth-sun: the oldest three-body problem;Gutzwiller;Rev Modern Phys,1998
3. On the part of the motion of the lunar perigee which is a function of the mean motion of the sun and moon;Hill,1877
4. Researches in the lunar theory;Hill;Am J Math,1878
5. Escape in Hill’s problem;Heggie,2001