1. Boye, P. (2003). Neozoen. In I. Kowarik (Ed.), Biologische invasionen—Neophyten und neozoen in mitteleuropa (pp. 264–282). Stuttgart: Ulmer.
2. Brown, J. H., & Sax, D. F. (2004). An essay on some topics concerning invasive species. Austral Ecology, 29(5), 530–536.
3. Brown, J. H., & Sax, D. F. (2005). Biological invasions and scientific objectivity: Reply to Cassey et al. (2005). Austral Ecology, 30(4), 481–483.
4. CBD. (1992). Convention on biological diversity. Montreal: Intersecretariat of the Convention on Biological Diversity. Retrieved June 28, 2011 from http://www.cbd.int/convention/text/ .
5. CBD. (2005). Handbook of the convention on biological diversity including its cartagena protocol on biosafety 3rd edition. Montreal: Intersecretariat of the Convention on Biological Diversity. Retrieved June 28, 2011 from http://www.cbd.int/doc/handbook/cbd-hb-all-en.pdf .