Large-scale molecular shocks in galaxies: the SiO interferometer map of IC 342 A. Usero, S. García-Burillo, J. Martín-Pintado, A. Fuente and R. Neri A&A, 448 2 (2006) 457-470 Published online: 24 February 2006 DOI: 10.1051/0004-6361:20054033