Andrea Firmenich/Johannes Janssen (ed.), "Franz Gertsch Holzschnitte. Aus der Natur gerissen", exhib.-cat. Museum Sinclair-Haus/Altana Kulturstiftung, Cologne 2013, p. 123
About Franz Gertsch
Starting with photographs, Franz Gertsch explores new dimensions in woodcuts. As the most important contemporary Swiss artist, he achieved his international breakthrough in 1972 at documenta 5 in Kassel.