Spangler, Merlin G. (Merlin Grant), 1894-
Harper & Row, 1973
Buku Teks
ASCE, 1997
Buku Teks
Terzaghi, Karl, author
John Wiley & Sons, 1967
Buku Teks
Terzaghi, Karl, author
John Wiley & Sons, 1960
Buku Teks
Cernica, John N.
John Wiley & Sons, 1995
Buku Teks