2011 Bolla, Viktoria, Capek, AleĀš, Hametner, Markus, Jung, Dorothea, Lock, Graham, Popova, Mariana, Savova, Iliyana, Tronet, Vincent. 2011. Sustainable development in the European Union - 2011 monitoring report of the EU sustainable development strategy. Eurostat. Luxembourg: Office for Official Publications of the European Communities. http://epp.eurostat.ec.europa.eu/portal/page/portal/product_details/publication?p_product_code=KS-31-11-224 (Details)
2010 Bolla, Viktoria, Hametner, Markus, Hauschild, Wolfgang, Hoffmeister, Onno, Jung, Dorothea, Lock, Graham, Pavlovic, Anita, Scheller, Andrea, Tronet, Vincent. 2010. Sustainable development in the European Union - 2009 monitoring report of the EU sustainable development strategy. Eurostat. Luxembourg: Office for Official Publications of the European Communities. http://epp.eurostat.ec.europa.eu/portal/page/portal/product_details/publication?p_product_code=KS-78-09-865 (Details)