1. ISECG [International Space Exploration Coordination Group], The global exploration roadmap supplement, ISECG (2022) [Internet], viewed 2023 Jun 20, available from: https://www.globalspaceexploration.org/wp-content/isecg/GER_Supplement_Update_2022.pdf
2. Moon-to-Mars Architecture Definition Document (ESDMD-001), Exploration systems development mission directorate, NASA/TP-20230002706 (2023).
3. ISECG [International Space Exploration Coordination Group], The global exploration roadmap supplement, ISECG (2020) [Internet], viewed 2023 Jun 20, available from: https://www.globalspaceexploration.org/wp-content/uploads/2020/08/GER_2020_supplement.pdf
4. ISECG [International Space Exploration Coordination Group], In-situ resource utilization gap assessment report, ISECG (2021) [Internet], viewed 2023 Jun 20, available from: https://www.globalspaceexploration.org/wordpress/wp-content/uploads/2021/04/ISECG-ISRU-Technology-Gap-Assessment-Report-Apr-2021.pdf
5. Sanders G, Kleinhenz J, In situ resource utilization (ISRU): update on strategy, scope, plans, and priorities, Proceedings of the XXIII Space Resources Roundtable, Golden, CO, 6-9 Jun 2023.