@techreport{BuehlmannMerkelWessels2008, type = {Working Paper}, author = {B{\"u}hlmann, Marc and Merkel, Wolfgang and Wessels, Bernhard}, title = {The quality of democracy : democracy barometer for established democracies}, url = {http://nbn-resolving.de/urn:nbn:de:kobv:b1570-opus4-809}, pages = {63}, year = {2008}, language = {en} }