@misc{indiciae8aedbd416321,
  title = {Fuel-Optimal Trajectories in a Planet-Moon Environment Using Multiple Gravity Assists},
  author = {Ross, Shane D. and Grover, Piyush},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20080012724},
  note = {Source identifier: 20080012724}
}