Availability 
Available
Artists 
Dimensions 

12 x 15 3/8 inches (30.5 x 39.1 cm)

Materials 
Colored pencil, graphite, and ballpoint pen on paper
Additional 

Signed, titled, and dated recto

Images format 
Artwork
Images display 
Grey display
Front title 

Die Quadratur des Kreises (The Squaring of the Circle)

Year 
1983