Sylvester, Julie, "John Chamberlain: A Catalogue Raisonne of the Sculpture, 1954-1985," NY: Hudson Hills Press, 1986, no. 726.
Summary:
Rising up from one side of a slanted square configuration is a vertical, grey and brown armature. The lower square shape is made up of a number of multi-colored parts, each patterned with grey lines. The colors include orange, green, yellow, and red.