Steele, P. R. Optical and Interpretative Astronomy, MPI for Extraterrestrial Physics, Max Planck Society;
Lawrie, K. A., Burleigh, M. R., Brinkworth, C. S., Marsh, T. R., Hodgkin, S. T., Baker, D. E. A., et al. (2013). Photometric variability of magnetic white dwarfs. In J. Krzesinski, G. Stachowski, P. Moskalik, & K. Bajan (Eds.), 18th European White Dwarf Workshop (EUROWD12) (pp. 429-434).