Media type: E-Article Title: Fixed-Time Planetary Landing Guidance With Unknown Disturbance and Thruster Constraint Contributor: Gong, Youmin; Guo, Yanning; Li, Dongyu; Ma, Guangfu; Guo, Minwen imprint: Institute of Electrical and Electronics Engineers (IEEE), 2023 Published in: IEEE Transactions on Aerospace and Electronic Systems Language: Not determined DOI: 10.1109/taes.2022.3183961 ISSN: 0018-9251; 1557-9603; 2371-9877 Origination: Footnote: