Eibner, W., and C. Eibner. “Catalonia’s Desire for Independence – Historical Causes and Realistic Consequences of a Secession from Spain”. Estonian Discussions on Economic Policy, vol. 28, no. 1-2, Oct. 2020, pp. 44-52, https://ojs.utlib.ee/index.php/TPEP/article/view/16807.