7David Leatherbarrow, The Roots of Architectural Invention: site, enclosure, materials (New York: Cambridge University Press, 19931, 184.
8Carlo Lodoli, 转引自 David Leatherbarrow, The Roots of Architectural Invention: site, enclosure, materials (New York: Cambridge University Press, 1993), 189-190.
9Gotlfried Semper, Kleine Schriften, 292. 转引自David Leatherbarrow, The Roots of Architectural Invention: site, enclosure, materials (New York: Cambridge University Press, 1993), 198.
10Gottfried Semper, "On Architectural Styles" , in Gottfried Semper, The Four Elements of Architecture and Other Writings, trans. Harry Francis Mallgrave and Wolfgang Herrmann (New York: Cambridge University Press, 1989), 269.
