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\bibitem{Lobera1993} Lobera, F. (1993). El Manuscrito 1520 de Palacio y la tradici{\'o}n impresa de {\textquotedblleft}La Celestina{\textquotedblright}. \textit{Bolet{\'\i}n de la Real Academia Espa{\~n}ola}, 73, 51--67.

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