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2. United Nations. Report of the World Commission on Environment and Development: our common future, 1987. Available from: http://www.un-documents.net/wced-ocf.htm. Accessed November 15, 2013.
3. Organisation for Economic Co-Operation and Development. Guidance manual on environmentally sound management of waste, 2007. Available from: http://www.oecd.org/env/waste/39559085.pdf. Accessed November 15, 2013.
4. Organisation for Economic Co-Operation and Development. OECD environmental outlook to 2050: the consequences of inaction, 2012. Available from: http://www.oecd.org/environment/oecdenvironmentaloutlookto2050theconsequencesofinaction.htm. Accessed October 30, 2013.
5. Waste Law 10/1998, 21th of April. Ministry Order N° 304/2002 (Official State Gazette N° 96 of 22th of April 1998). Spain.