1. CSTEE, 2000. CSTEE opinion on the available scientific approaches to assess the potential effects and risk of chemicals on terrestrial ecosystems. DG SANCO, Brussels.
2. GESAM, 1989. The evaluation of the hazards of harmful substances carried by ships. Reports and Studies No 35.
3. EC, 1996. Technical Guidance Document in support of Commission Directive 93/67/EEC on risk assessment for new notified substances and Commission Regulation (EC) 1488/94 on risk assessment for existing substances. Parts I, II, III and IV. Document. ISBN 92-827-8011-2. Office for official publications of the European Communities, Luxembourg.
4. Classification, Packaging and Labelling of Dangerous Substances in the European Union,1997
5. Improving Risk Communication,1989