1. Jenkins P. 1999. Avoiding a rat-infested, zebra mussel–fouled, nasty weed patch for a planet: global policy changes needed to stop biological invasions caused by international trade. Paper presented at the Workshop on Legal and Institutional Dimensions of Invasive Alien Species Introduction and Control. Bonn, Germany, December 10–11, 1999.
2. http://www.ippc.int/IPP/En/ispm.jsp.
3. http://www.IUCN.org/. The mission of the IUCN is “[t]o influence, encourage and assist societies throughout the world to conserve the integrity and diversity of nature and to ensure that any use of natural resources is equitable and ecologically sustainable.”