The battle of coal : Arbeiterskulpturen / Colleen Alborough, Janet Biggs, Peppi Bottrop, Danica Dakić, Jeremy Deller, Nicholas Dues, Vincent Ercolani, Julius Farwick, Moritz Fehr, Nikolaus Gansterer, Mikhail Karikis, Uriel Orlow, Antonia Low, Denise Ritter, Andreas Siekmann, Olav Westphalen, David Zink Yi. Köln : Wienand, [2018]