@misc{indiciae961b1f57640d,
  title = {Vehicle Shield Optimization and Risk Assessment for Future Human Space Missions},
  author = {Nounu, Hatem N. and Kim, Myung-Hee and Cucinotta, Francis A.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20110014051},
  note = {Source identifier: 20110014051}
}