Can we constrain the interior structure of rocky exoplanets from mass and radius measurements? Caroline Dorn, Amir Khan, Kevin Heng, James A. D. Connolly, Yann Alibert, Willy Benz and Paul Tackley A&A, 577 (2015) A83 Published online: 07 May 2015 DOI: 10.1051/0004-6361/201424915