Citation sought

Does anyone know where the following was published?

  Guineau, B. and J. Vezin (??? 1993).
  Nouvelles methodes d'analyse des pigments et des colorants
  employes pour la decoration des livres manuscrits; l'exemple des
  pigments bleus utilises entre le ix siecle et la fin du xiie
  siecle, nottament a Corbie.

Thank you all in advance.

Mark Clarke
Cambridge
+44 1223 354520


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                  Conservation DistList Instance 14:47
                  Distributed: Tuesday, March 20, 2001
                       Message Id: cdl-14-47-014
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