Comment on "Scaling of the Interface Roughness in Fe-Cr Superlattices: Self-Affine versus Non-Self-Affine" [1] (multiple letters)

1. Schwarzacher, W.
2. Huo, S.
3. Santamaria, J.
4. Vicent, J.L.
5. Krishnan, K.M.
6. Schuller, I.K.