Zardini, Elia. 2015. The Opacity of Truth. Topoi, 34-1: 37-54.
https://doi.org/10.1007/s11245-014-9268-1
https://doi.org/10.1007/s11245-014-9268-1
http://www.estrema.letras.ulisboa.pt/ojs/index.php/estrema/article/view/84
http://www.klemens.sav.sk/fiusav/organon/?q=en/fictional-reference-rigid