@misc{indiciaef7a505804bc8,
  title = {Composite Materials for Radiation Shielding During Deep Space Missions},
  author = {Grugel, R. N. and Watts, J. and Adams, J. H. and Rose, M. Franklin},
  year = {2001},
  url = {https://ntrs.nasa.gov/citations/20010037909},
  note = {Source identifier: 20010037909}
}