@misc{indiciae14c9754ed78a,
  title = {On the search for trajectories for a cometary nucleus sample return mission},
  author = {Schobert, D. and Igenbergs, E. and Loeb, H. and Stuhlinger, E.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870045245},
  note = {Source identifier: 19870045245}
}