Preprints of the 9th symposium on information control in manufacturing volume III, Parallel sessions : June 24-26, 1998, Nancy-Metz, France : Advances in industrial engineering / Edited by Gérard Morel,... François B. Vernadat,... ; [organised by CRAN, Centre de Recherche en Automatique de Nancy] ; International Federation of Automatic Control / Nancy : IFAC/CRAN , [1998]