Galleria Studio Casoli, Milan
Luisa Somaini and Claudio Cerritelli, Jewelry by Artists in Italy: 1945-1995, Milan, 1995, p. 8
Francesca Romana Morelli, Ori d'Artista, Il gioiello nell'arte italiana 1900-2004, exh. cat., Museo Fondazione Roma, 2004, front cover and pp. 57, 123
Ruhé Harry and Rigo Camillo, Lucio Fontana, graphics, multiples and more..., Amsterdam, 2006, p. 170 for a sketch of the design