@misc{indiciae929434eecbf1,
  title = {Flexible-Path Human Exploration},
  author = {Sherwood, B. and Adler, M. and Alkalai, L. and Burdick, G. and Coulter, D. and Jordan, F. and Naderi, F. and Graham, L. and Landis, R. and Drake, B. and Hoffman, S. and Grunsfeld, J. and Seery, B. D.},
  year = {2010},
  url = {https://ntrs.nasa.gov/citations/20150008926},
  note = {Source identifier: 20150008926}
}