title: Comments on: Counter-current motion in CCC by Yoichiro Ito.
authors.affiliation: Institut des Sciences Analytiques, University of Lyon, CNRS, 5 rue de la Doua, 69100 Villeurbanne, France. Electronic address: berthod@univ-lyon1.fr.
authors.forename: Alain
authors.initials: A
authors.lastname: Berthod