edited by Barry J. Allred, Jeffrey J. Daniels and M. Reza Ehsani
CRC Press, 2008
Buku Referensi
Scheidegger, Adrian E., author
Elsevier, 1976
Buku Teks
Grant, F.S., author
McGraw-Hill, 1965
Buku Teks
Landsberg, H.E., author
Academic Press, 1967
Buku Teks
Mussett, Alan E., author
Cambridge University Press, 2000
Buku Teks