Sáenz Royo, Carlos, and Eva Sáenz Royo. “Shared Fiscal Responsibility in Federal States: An Analysis Comparing the Spanish System With That of Germany and the USA”. Revista Del CLAD Reforma Y Democracia, no. 62, June 2015, pp. 135-64, https://doi.org/10.69733/clad.ryd.n62.a901.