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\bibitem{AlonsoAldama1992} Alonso Aldama, J. {\'A}. (1992). A Problem of Narrative Interaction in {\textquotedblleft}La Celestina{\textquotedblright}. En M. Balat, J. Deledalle-Rhodes, G. G. Deledalle, \& J. Pelc (Eds.), \textit{Signs of Humanity. Proceedings of the Fourth International Congress, International Association for Semiotic Studies} (pp. 687--691). Berlin: Mouton de Gruyter.

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