Ph. Lognonn&eacute;, T. Spohn, D. Breuer, U. Christensen, H. Igel, V. Dehant, T. van Hoolst, D. Giardini, F. Primdahl, J. Merayo, S. Vennerstroem, R. Garcia, M. Wieczorek, C. Sotin, A. Mocquet, B. Langlais, J.-J. Berthelier, M. Menvielle, A. Pais, W.T. Pike, L. Szarka, A. van den Berg, and MAGE and SPICE networks members. (2008). Long lived martian geoscience observatory ESLAB ESA Workshop proceedings.