Middelberg, E., Deller, A. T., Norris, R. P., Fotopoulou, S., Salvato, M., Morgan, J. S., et al. (2013). Mosaiced wide-field VLBI observations of the Lockman Hole/XMM. Astronomy & Astrophysics, 551: A97 (39pp). doi:10.1051/0004-6361/201220374.