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  • × language_ss:"e"
  • × author_ss:"Duchemin, P.-Y."
  1. Duchemin, P.-Y.: BN OPALINE : the map database in the Department des Cartes et Plans de la Bibliothèque Nationale: history (1993) 0.01 
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  2. Duchemin, P.-Y.: Retroconversion of French cartographic material card catalogues : an overview of the situation (1993) 0.01 
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