Koehler, Tobias, Cheng-Nien Yu, Kiril Schmidt, Michael Graetzel, Yangyang Wu, Jean Pierre Bergmann, and Dusan P. Sekulic. 2019. “Development of a Repair Process for Manmade Structures in Space by Using Aluminium Brazing and Friction Stir Spot Welding”. Welding Technology Review 91 (9):39-50. https://doi.org/10.26628/wtr.v91i9.1072.