Professor Emeritus Pascal Ribereau-Gayon; Editor, Coordinator and Author; Universite Victor Segalen, Bordeaux, France.
Y. Glories and D. Dubourdieu, Faculty of Enology; Victor Segalen University of Bordeaux II Talence, Fance.
A. Maujean, Laboratory of Enology, University of Reims-Champagne-Ardennes.