The artist as curator : collaborative initiatives in the international ZERO movement, 1957 - 1967 / Tiziana Caianiello, Mattijs Visser (eds.); Editorial Advisors Antoon Melissen, Andres Pardey, Johan Pas, Dirk Pörschmann, Francesca Pola, Ulrike Schmitt, Thekla Zell. Düsseldorf : ZERO Foundation, 2015 ; Ghent : MER Paper Kunsthalle ; © 2015