Kegel, P. L., and M. Amal. “Perspectives of the Negotiations Between Mercosur and the European Union in a Context of Multilateral System Paralysis and New Global Economic Geography”. Brazilian Journal of Political Economy, vol. 33, no. 2, Apr. 2013, pp. 341-59, https://centrodeeconomiapolitica.org/repojs/index.php/journal/article/view/316.