@article{11311_746573,
  author    = {Topputo, Francesco},
  title     = {On Optimal Two-Impulse Earth-Moon Transfers in a Four-Body Model},
  year      = {2013},
  doi       = {10.1007/s10569-013-9513-8},
  journal   = {CELESTIAL MECHANICS & DYNAMICAL ASTRONOMY},
  volume    = {117},
  number    = {3},
  pages     = {279--313},
}