by William Ritchie, Michael Wood, Robert Wright; David Tait
John Wiley & Sons, 1987
Buku Teks
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
Woytinsky, W.S.
Harper & Brothers, 1957
Buku Teks
Pamela Buxton, editor
Routledge, 2018
Buku Teks
Albrecht, Robert L.
John Wiley , 1978
Buku Teks