Friedrich, S. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
O'Toole, S. J., Jordan, S., Friedrich, S., & Heber, U. (2005). Discovery of magnetic fields in hot subdwarfs. In D. Koester, & S. Moehler (Eds.), 14th European Workshop on White Dwarfs (pp. 261-264). San Fransisco, CA, USA: Astronomical Society of the Pacific.
