@misc{indiciae06502c3ddbc0,
  title = {EUROPA Multiple-Flyby Trajectory Design},
  author = {Buffington, Brent and Campagnola, Stefano and Petropoulos, Anastassios},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20130003153},
  note = {Source identifier: 20130003153}
}