Y. Masuda, "Il simbolo della città europea contemporanea. La struttura dell"oggetto," Yomiuri Shimbun, March 19, 1985 (another example illustrated)
Peter Selz, "Semblance of Power: Arnaldo Pomodoro"s Recent Sculpture," Arts Magazine, no. 1, vol. 60, September 1985, p. 125 (another example illustrated, dated 1984)
"Grazia," Segrate, no. 2357, April 27, 1986, p. 36 (another example illustrated)
Luciano Caramel, "Fra piramidi e papiri," Il Giornale Nuovo, Milan, April 20, 1986 (another example illustrated)
Giogio Verzotti, "Arnaldo Pomodoro, Davide Benati," Flash Art, June 1986 (another example illustrated)
Arturo Carlo Quintavalle, "Le crepe e l"avanguardia," Panorama, no. 1053, vol. XXIV, June 22, 1986, p. 23 (another example illustrated)
Sarenco, "L"età del bronzo," Lotta poetica, no. 2, vol. I, November 1987, p. 5 (another example illustrated)
Sam Hunter, Arnaldo Pomodoro, Milan, 1995, pl. 112, pp. 139, 148-149 (larger version illustrated, p. 148; dated 1983-1987)
Guido Ballo, "Il mistero del segno," Arte in, no. 55, vol. XI, May-June 1998, p. 32 (another example illustrated)
Flaminio Gualdoni, ed., Arnaldo Pomodoro: Catalogo ragionato della scultura, vol. II, Milan, 2007, no. 711, p. 628 (another example illustrated)
Fondazione Arnaldo Pomodoro, ed., Arnaldo Pomodoro: Catalogue Raisonné, no. 711 (AP 510), online (another example illustrated)