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\bibitem{RodriguezPuertolas2007} Rodr{\'\i}guez Pu{\'e}rtolas, J. (2007). {\textquotedblleft}La Celestina{\textquotedblright} o la negaci{\'o}n de la negaci{\'o}n. \textit{Verba Hisp{\'a}nica}, XV (a), 17--34.

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