@misc{indiciae8a6c36999cf6,
  title = {Orbit Clustering Based on Transfer Cost},
  author = {Gustafson, Eric D. and Arrieta-Camacho, Juan J. and Petropoulos, Anastassios E.},
  year = {2013},
  url = {https://ntrs.nasa.gov/citations/20150007330},
  note = {Source identifier: 20150007330}
}