title: Comment on "scaling of the interface roughness in Fe-Cr superlattices: self-affine versus non-self-affine".
authors.affiliation: H H Wills Physics Laboratory Tyndall Avenue Bristol BS8 1TL, United Kingdom. s.schwarzacher@bristol.ac.uk
authors.forename: W
authors.initials: W
authors.lastname: Schwarzacher
authors.forename: S
authors.initials: S
authors.lastname: Huo