^Shutte, Andreas; Grothe, Dieter (2 June 2005). "Sounding Rocket Program: Minitexus, Texus, Maxus". 17th ESA Symposium on European Rocket and Balloon Programmes and Related Research. 590: 481. Bibcode:2005ESASP.590..481S. Retrieved November 24, 2022.
^"Maxus". Astronautix.com. Retrieved November 24, 2022.
^"Maxus-9". Swedish Space Corporation. January 20, 2017. Retrieved November 23, 2022.