Mixing the colours of Siena earth, or the painter's last will and testament: From the 16th century art treatises of Vasari and Cennino Cennini to contemporary artist Maria Helena Vieira da Silva
A. Tabucchi, Mixing the colours of Siena earth, or the painter's last will and testament: From the 16th century art treatises of Vasari and Cennino Cennini to contemporary artist Maria Helena Vieira da Silva, NOUV REV FR, (552), 2000, pp. 66-74