@misc{indiciae116105ddb605, title = {Safe Human Expeditions Beyond Low Earth Orbit (LEO)}, author = {Azita Valinia and John R Allen and David R Francisco and Joseph I Minow and Jonathan A Pellish and Alonso H Vera}, year = {2022}, url = {https://ntrs.nasa.gov/citations/20220002905}, note = {Source identifier: 20220002905} }