@misc{indiciaee6dfa354a25c,
  title = {Optimization Shield Materials Trade Study for Lunar/Gateway Mission},
  author = {Tripathi, R. K. and Wilson, J. W. and Cucinotta, F. A. and Anderson, B. M. and Simonsen, L. C.},
  year = {2002},
  url = {https://ntrs.nasa.gov/citations/20030014747},
  note = {Source identifier: 20030014747}
}