5World Trade Organization, CTE on: How Environmental Taxes and OtherRequirements Fit in < http://www, wto. org/english/tratop_ e/envir_e/cte03 e.htm> , 2008年11月14日重新访问.
6EC Asbestos, WTO Appellate Body Report, European Communities- Measures Affecting Asbestos and Asbestos Containing Products, WT/ DS135/ AB/ R (5 April 2001),para. 168.