Steinmetz, Ralf, author
River Prentice-Hall , 1995
Buku Teks
Walters, Rob
Artech House, Inc., 1995
Buku Teks
Rao, K.R., author
John Wiley & Sons, 2006
Buku Teks
Sklar, Bernard
Prentice-Hall, 1988
Buku Teks
Sample, Seichi
Prenticel Hall, 1997
Buku Teks