title: Erratum: "A fractional diffusion equation for a marker in porous media" [Chaos 11, 495 (2001)].
authors.affiliation: Centre de Physique Theorique, CNRS Luminy, Case 907, F-13288 Marseille, Cedex 9, France.
authors.forename: G.
authors.initials: G
authors.lastname: Erochenkova
authors.forename: R.
authors.initials: R
authors.lastname: Lima