Sieberer, UlrichUlrichSieberer0000-0003-4027-13932020-02-272020-02-2720120017-257Xhttps://fis.uni-bamberg.de/handle/uniba/47383engChecks or Toothless Tigers? Powers and Incentives of External Officeholders to Constrain the Cabinet in 25 European Democraciesarticle10.1111/j.1477-7053.2012.01373.xhttps://doi.org/10.1111%2Fj.1477-7053.2012.01373.x