@book{Eurostat2004,
author = {Eurostat, European Commission},
title= {Eurostat yearbook 2004 - The statistical guide to Europe},
year = {2004},
URL = {http://epp.eurostat.ec.europa.eu/cache/ITY_OFFPUB/KS-CD-04-001/EN/KS-CD-04-001-EN.PDF},
address = {Luxembourg},
publisher = {Office for Official Publications of the European Communities},
}