EU Biodiversity Action Plan : 2010 Assessment. - European Commission Directorate-General for the Environment (Λουξεμβούργο : Υπηρεσία Επισήμων Εκδόσεων των Ευρωπαϊκών Κοινοτήτων, 2010)
Keywords: Biodiversity -- European Union countries; Ecology -- European Union countries; Sustainable development -- European Union countries