1. ANPA-CSERGE (2000): Feasibility Study of Wall and Floor Coverings with a View to Establish EU Eco-labeling Criteria, Norwich (UK)
2. Baldo GL (2000): Life Cycle Assessment: uno strumento di analisi energetica e ambientale — IPASERVIZI Editore, Milan
3. Baldo GL, Rollino S, Fieschi M, Vassallo D (2002): Eco-label: Fissati i criteri per nuovi prodotti — Ambiente e Sviluppo n. 2, pp. 38–44
4. CE (2000): Regulation (EC) no. 1980/2000 of the European Parliament and of the council of 17 July 2000 on a revised community Eco-label award scheme — Official Journal of the European Communities no. L237/1 of 21/9/2000, 1–12
5. CE (2000): Commission Decision of 10 November 2000 establishing the application and annual fees of the Community Eco-label — Official Journal of the European Communities no. L293/18 of 22/11/2000