1. Resource use in European countries – material flows and resource management;Moll,2005
2. Dunlap RE, Jorgenson AK. Environmental problems. The Wiley-Blackwell Encyclopedia of Globalization; 2002.
3. From Waste to Resource: 2006 World Waste Survey;Lacoste,2009
4. European Environment Agency (EEA). “Europe’s environment — The fourth assessment”, OPOCE (Office for Official Publications of the European Communities), available online at ; 2007 [accessed on 27.04.14].
5. Böhmer S, Moser G, Neubauer C, Peltoniemi M, Schachermayer E, Tesar M, et al. Aggregates case study. Final Report referring to contract 150787-2007; 2008.