Smirnov, L.
MIR Publishers, 1968
Buku Teks
edited by Carl C. Ulstrup
American Society of Civil Engineers, 1988
Buku Teks
Buchholdt, H.A., author
Thomas Telford, 1999
Buku Teks
IGN. Irawan Wibawa, author
1996
UI - Tesis (Membership)
by Rene Walther [and others]
Thomas Telford, 1999
Buku Teks