Afra e Tobia Scarpa, Five chairs mod. Africa from the Artona series Wooden structureand,, curved plywood seat covered in leather. Maxalto, Italy, c. 1970. W. 55 - D. 40 - H. 80 Cm Literature, R. Masiero, Afra e Tobia Scarpa, p. 28, Electa, 1998; M. Mastropietro,, Un industria per il design La ricerca, i designers, l'immagine B&B Italia,, pp. 392-393, Lybra Immagine, 1986