Division of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138 United States
Laboratoire de Mécanique, Ecole Polytechnique, Palaiseau, 91128 France ; Option Sol et Sous-Sol, Ecole des Mines de Paris, Paris, 75006 France
Division of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138 United States ; Department of Earth and Planetray Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138 United States
Division of Engineering and Applied Sciences, Harvard University, 29 Oxford Street, Cambridge, MA 02138 United States ; Department of Earth and Planetray Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138 United States