R.I. N¡ 280 F. James M. Spulveda PARAMETER IDENTIFICATION FOR A MODEL OF CHROMATOGRAPHIC COLUMN The whole paper is available as a compressed Postscript file by internet procedure FTP anonymous on host barbes.polytechnique.fr ( 129.104.4.100) in the directory pub/RI/1993 under the name james_al.280.juin.93.ps.gz