1. ACEA (2015) (European Automobile Manufacturers Association) http://www.acea.be/publications/article/life-cycle-assessment-lca-of-lead-based-batteries-for-vehicles
2. BCI (2015) The facts about lead energy solution. Available at http://c.ymcdn.com/sites/batterycouncil.org/resource/resmgr/Brochures/BCI_Sustainability_recycling.pdf
3. Bos WM, Sonke J (2003) Experimental study of new lead alloys for atmospheric application, TNO Report CA03.8010
4. EN 12588 (2006) Lead and lead alloys. Rolled lead sheet for building purposes
5. EU Risk Assessment Report (2008). Voluntary risk assessment of lead metal, lead oxide, lead tetraoxide and lead stabiliser compounds. Available at http://echa.europa.eu/web/guest/voluntary-risk-assessment-reports-lead-and-lead-compounds