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1 Centre de recherches sémiotiques, EA 3648, université de Limoges, 39 rue Camille-Guérin, 87000 Limoges, France. Electronic address: philippe.thomas.2008@orange.fr.
1 Centre de recherches sémiotiques, EA 3648, université de Limoges, 39 rue Camille-Guérin, 87000 Limoges, France. Electronic address: philippe.thomas.2008@orange.fr.