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\bibitem{1648} F. Javier Sanchez, Jordi Vitria, \& Enric Marti. (1991). Transformaciones Morfol{\'o}gicas de Pol{\'\i}gonos Isot{\'e}ticos. In \textit{Primer Congreso Espa{\~n}ol de Inform{\'a}tica Gr{\'a}fica.}.

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