by Fred W. Beaufait ... [and others]
Dept. of Civil Engineering, Vanderbilt University, 1975
Buku Teks SO
Hoit, Marc
Prentice-Hall, 1995
Buku Teks
Jenkins, W.M.
McGraw-Hill, 1969
Buku Teks SO
Balfour, James A. D.
Collins, 1986
Buku Teks
Dahl, O.J.
Academic Press, 1972
Buku Teks SO