Drummond, Mansford E., author
Prentice-Hall, 1973
Buku Teks
Rosen, Saul, author
Society for Industrial and Applied Mathematics, 1976
eBooks
Hellerman, Herbert
McGraw-Hill , 1975
Buku Teks
U.S Dep.t of Commerce, 1974
Buku Teks
Hockney, Roger W., author
Society for Industrial and Applied Mathematics, 1996
eBooks