title: Planetary science. The past Martian dynamo.
authors.affiliation: Laboratoire de Planétologie et Géodynamique, CNRS UMR 6112, Université de Nantes, 44322 Nantes cedex 3, France. benoit.langlais@univ-nantes.fr
authors.forename: Benoit
authors.initials: B
authors.lastname: Langlais
authors.forename: Hagay
authors.initials: H
authors.lastname: Amit