Gottlieb, Irving M., author
Newnes, 1997
Buku Referensi
Buchsbaum, Walter H., author
Prentice-Hall, 1978
Buku Referensi
Frederick A. Praeger, 1967
Buku Teks
ed. by Michael J. Kennish
CRC Press, 1994
Buku Referensi
Lee, Stuart D., author
Facet, 2002
Buku Teks