edited by Matthew Drutt for the Fondation Beyeler ; with contributions by Anatoly Strigalev, Anna Szech, and Maria Tsantsanoglou ; translations, Antonina W. Bouis, Kenneth MacInnes, Tatyana A. Schmidt ; curator of the exhibition, Matthew Drutt
edited by Matthias Frehner and Klaus Albrecht Schröder ; with a foreword by Klaus Albrecht Schröder ; essays by Matthias Frehner, Bettina Hahnloser, and Margrit Hahnloser-Ingold ; and contributions from Matthias Frehner [and four others]