Menzel, Donald H., author
McGraw-Hill, 1961
Buku Teks
World Health Organization
World Health Organization, 1998
Buku Teks
Trzyna, Thomas N., author
Wadsworth, 1987
Buku Teks
Budinski, Kenneth G., author
ASM International, 2001
eBooks
Gerson, Sharon J., 1948-, author
Prentice-Hall, 1992
Buku Teks