1. Species Sensitivity Distributions in Ecotoxicology
2. US Environmental Protection Agency 1998
3. Australian and New Zealand Environmental and Conservation Council and Agriculture and Resource Management Council of Australia and New Zealand 2000
4. The development of a toxicity database using freshwater macroinvertebrates, and its application to the protection of South African water resources;Palmer;S Afric J Sci,2004
5. Canadian Council of Ministers of the Environment 2007