Thomas, Harry E., author
Prentice-Hall, 1970
Buku Referensi
Tooley, Michael H., author
Newnes, 1995
Buku Referensi
edited by Vincent G. Duffy
CRC Press, 2009
Buku Referensi
NCC Publications, 1984
Buku Referensi
Mandl, Matthew, author
Prentice-Hall, 1967
Buku Teks