Artikel Jurnal
Sebastian Ryszard Kruk, Bill McDaniel, editors
Springer, 2009
Buku Teks
Costantino Thanos, Francesca Borri, Leonardo Candela, editor
Springer, 2007
Buku Teks
Chowdhury, G.G., author
Facet, 2004
Buku Teks
edited by Rae A. Earnshaw, John Vince
Springer, 2008
Buku Teks