[66] Cfr., ad esempio, Egenhofer, C. e Legge, T., Greenhouse Gas Emissions in Europe, Conditions for Environmental Credibility and Economic Efficiency, CEPS Task Force Report N. 43, Centre for European Policy Studies, Bruxelles, 2002.
[66] Voir par exemple Egenhofer, C. et Legge, T., 2002: Greenhouse Gas Emissions in Europe, Conditions for Environmental Credibility and Economic Efficiency, CEPS Task Force Report N. 43, Bruxelles: Centre for European Policy Studies.