1. ECHA, Guidance on information requirements and chemical safety assessment Chapter R.7a: Endpoint specific guidance, May 2008. Available at: http://guidance.echa.europa.eu/docs/guidance_document/information_requirements_r7a_en.pdf?vers=02_02_10 (Accessed 7 July 2010)
2. ECHA, Guidance on information requirements and chemical safety assessment Chapter R.7b: Endpoint specific guidance, May 2008. Available at: http://guidance.echa.europa.eu/docs/guidance_document/information_requirements_r7b_en.pdf?vers=20_08_08 (Accessed 7 July 2010)
3. ECHA, Guidance on information requirements and chemical safety assessment Chapter R.6: QSARs and grouping of chemicals, May 2008. Available at: http://guidance.echa.europa.eu/docs/guidance_document/information_requirements_r6_en.pdf?vers=20_08_08 (Accessed 7 July 2010)