The spectroscopic evolution of the symbiotic-like recurrent nova V407 Cygni during its 2010 outburst - I. The shock and its evolutionS. N. Shore, G. M. Wahlgren, T. Augusteijn, T. Liimets, K. L. Page, J. P. Osborne, A. P. Beardmore, P. Koubsky, M. Šlechta and V. VotrubaA&A, 527 (2011) A98DOI: https://doi.org/10.1051/0004-6361/201015901
