K. Heisinger, G. Marcus, Design Since 1945, exhibition catalogue, Philadelphia Museum of Art, 1983, p. 67, pl. 42 and p. 150 for other examples of this model;
C. Fiell, P. Fiell, (eds.), 1000 Lights: 1960 to Present, Cologne, 2005, vol. 2, p. 207 for another example of this model.