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\bibitem{1498} Gemma Sanchez, Josep Llados, \& Enric Marti. (1997).<a target={\textquoteright}_blank{\textquoteright} href={\textquoteright}/files/SLE1998.pdf{\textquoteright}> "A string-based method to recognize symbols and structural textures in architectural plans "</a> In \textit{2nd IAPR Workshop on Graphics Recognition} (pp. 91--103).

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