Dallin, Leon
WM. C. Brown Co. Pub., 1965
Buku Teks
Underwood, Rod
John Wiley & Sons, 2007
Buku Teks
Underwood, James R., author
John Wiley, 1998.
Buku Teks
Bradley, Elihu F.
[s.l]: ASM, c1988
Buku Teks
Julander, E., author
Philip Technical Library, 1965
Buku Referensi