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Fig.1 Katharina Sieverding, Weltlinie, 1999, A/D/A Process, Acryl, Stahl, 2teilig; je 190 x 125 cm, Image © Katharina Sieverding, Courtesy Galerie Christian Lethert, Koln [http://www.re-title.com/artists/Katharina-Sieverding.asp].