Griffiths, Phillip, author
John Wiley & Sons, 1978
Buku Teks
Harris, Joe, author
Springer-Verlag, 1992
Buku Teks
Holme, Audun, author
Springer-Verlag, 2012
eBooks
Hays, David G.
American Elsevier puvlishing, 1967
Buku Teks
Arapura, Donu, author
Springer Science, 2012
eBooks