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\bibitem{24} A. Pujol, Jordi Vitria, Petia Radeva, Xavier Binefa, Robert Benavente, Ernest Valveny, et al. (1999). Real time pharmaceutical product recognition using color and shape indexing. In \textit{Proceedings of the 2nd International Workshop on European Scientific and Industrial Collaboration (WESIC{\textasciiacute}99), Promotoring Advanced Technologies in Manufacturing.}.

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