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%T Characteristics of mass data: selected references on data lore and measurement quality of social bookkeeping %A Baur, Nina %J Historical Social Research, Transition (Online Supplement) %N 22 %D 2009 %@ 0172-6404 %~ GESIS %C DEU %G en %9 bibliography %W GESIS - http://www.gesis.org %~ SSOAR - http://www.ssoar.info