Friedrich, S. Infrared and Submillimeter Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Friedrich, S., Zinnecker, H., Correira, S., Brandner, W., Burleigh, M., & McCaughrean, M. (2007). Search for giant planets around white dwarfs with HST, Spitzer and VLT. In R. Napiwotzki, & M. Burleigh (Eds.), 15th European Workshop on White Dwarfs (pp. 343-348). San Francsisco, CA (US): Astronomical Society of the Pacific <ASP>.