Dattatreya, G.R., author
CRC Press, 2008
Buku Teks
Hammond, Joseph L., author
Addison-Wesley, 1986
Buku Teks
Higginbottom, Gary N.
Artech House, 1998
Buku Teks
Gebali, Fayez, author
Springer International Publishing , 2015
eBooks
Sauer, Charles H., author
Prentice-Hall, 1981
Buku Teks SO