Tapia Hermida, A. 2013. The principle of retributive justice: basis, relational character and burden of proof: Comment to the Judgement of the ECJ, dated February 28, 2013, case C-427/11, Margaret Kenny and others. Revista de Trabajo y Seguridad Social. CEF. 363 (Jun. 2013), 147–192. DOI:https://doi.org/10.51302/rtss.2013.3148.