@misc{indiciae23a80f7db6e3,
  title = {Orbital Operations for Phobos and Deimos Exploration},
  author = {Wallace, Mark S. and Parker, Jeffrey S. and Strange, Nathan J. and Grebow, Daniel},
  year = {2012},
  url = {https://ntrs.nasa.gov/citations/20130000408},
  note = {Source identifier: 20130000408}
}