Hjelm, Johan
John Wiley & Sons, 2001
Buku Referensi
Roberto De Virgilio, editor
Springer-Verlag, 2012
eBooks
Peter Van Oosterom; Sisi Zlatanova, editor
CRC Press, 2008
Buku Teks
Hitzler, Pascal, author
CRC Press, 2010
Buku Teks
Kumar, Sandeep, author
[, Springer], 2012
eBooks