London: Tiger Books International, 1994,
Buku Referensi
Parsons, Roger
Butterworths Scientific Publications, 1959
Buku Referensi
Stansbury, E.E.
ASM International, 2000
eBooks
Orazem, Mark E.
Wiley , 2008
Buku Teks
Bard, Allen J.
John Wiley & Sons, 1980
Buku Teks