Pfammatter, Ulrich, author
Birkhauser, 2000
Buku Teks
Rizzoli, 1988
Buku Teks
Clausen, Meredith L., author
MIT Press, 1994
Buku Teks
White, James L., author
Washington Square Press, 1966
Buku Teks
Smith, Thomas C., author
Standford University Press, 1959
Buku Teks