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\bibitem{Heusch2008} Heusch, C. (2008). {\guillemotleft}Les avatars de Calixte de la {\textquotedblleft}Comedia {\`a} la Tragicomedia{\textquotedblright}. En G. Martin (Ed.), \textit{La Celestina. Comedia o tragicomedia de Calisto y Melibea} (pp. 157--175). Paris: Ellipses.

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