Testing gravitational physics with satellite laser ranging Ignazio Ciufolini, Antonio Paolozzi, ErricosC. Pavlis, John Ries, Rolf Koenig, Richard Matzner, Giampiero Sindoni and Hans Neumayer Eur. Phys. J. Plus, 126 8 (2011) 72 Published online: 11 August 2011 DOI: 10.1140/epjp/i2011-11072-2