Dyson 1995, pp. 169–170. Dyson, Carol J. (1995). "Structural Glass". In Jester, Thomas C. (ed.). Twentieth-Century Building Materials: History and Conservation. New York: McGraw-Hill. ISBN9780070325739.
Dyson 1995, p. 169. Dyson, Carol J. (1995). "Structural Glass". In Jester, Thomas C. (ed.). Twentieth-Century Building Materials: History and Conservation. New York: McGraw-Hill. ISBN9780070325739.
Dyson 1995, p. 170. Dyson, Carol J. (1995). "Structural Glass". In Jester, Thomas C. (ed.). Twentieth-Century Building Materials: History and Conservation. New York: McGraw-Hill. ISBN9780070325739.