1. Resource Productivity in the G8 and the OECDhttp://www.oecd.org/env/resourceproductivityandwaste/47944428.pdf
2. Directive 2008/98/EC on Waste and Repealing Certain Directiveshttp://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:32008L0098&from=en
3. Law No. 211/2011 on Waste Managementhttp://www.mmediu.ro/beta/wp-content/uploads/2012/05/2012-05-17_LEGE_211_2011.pdf
4. LCA of selective waste collection systems in dense urban areas
5. Waste Generated and Treated in Europe—Report 2011http://epp.eurostat.ec.europa.eu