Middleton, Beth A., editor
Springer, 2012
eBooks
Mitsch, William J., author
John Wiley & Sons, 2000
Buku Teks
Durbin, J., author
Society for Industrial and Applied Mathematics, 2004
eBooks
Harvey, L.D. Danny, author
Prentice-Hall, 2000
Buku Teks
Bill Freedman, editor
Springer Reference, 2014
Buku Teks