Towards the phase A review of MAORY, the multi-conjugate adaptive optics module for the E-ELT E. Diolaiti, J.-M. Conan, I. Foppiani, M. Lombini, E. Marchetti, C. Petit, C. Robert, L. Schreiber, A. Baruffolo, M. Bellazzini et al. (9 more) Published online: 24 February 2010 DOI: 10.1051/ao4elt/201002007