MGDS References
Ryan, W.B.F., S.M. Carbotte, J.O. Coplan, S. O'Hara, A. Melkonian, R. Arko, R.A. Weissel, V. Ferrini, A. Goodwillie, F. Nitsche, J. Bonczkowski, R. Zemsky, "Global Multi-Resolution Topography synthesis", Geochem Geophys Geosyst, 10: Q03014, 2009, DOI 10.1029/2008GC002332. (View Reference)