Notes
Published on the occasion of the exhibition held at the Städtische Galerie im Lenbachhaus und Kunstbau, Munich, October 25, 2008-February 22, 2009; at the Centre Pompidou, Paris, April 8-August 10, 2009; and at the Solomon R. Guggenheim Museum, New York, September 18, 2009-January 10, 2010.