Radeljak, F. “Autonomy of the Community and Complementary Currencies in Relation to State Law: The Eusko, the Ekhi and the Txantxi in the Basque Country”. Oñati Socio-Legal Series, vol. 8, no. 7, Jan. 2018, pp. 1041-70, doi:10.35295/osls.iisl/0000-0000-0000-0981.