Morphological and spectral properties of the W51 region measured with the MAGIC telescopes - Aleksic, J.; Alvarez De Eulate, Eva; Antonelli, L.; Antoranz, P.; Asensio, M.; Backes, M.; Barres de Almeida, U.; Barrio, J.; Bastieri, D.; Becerra, J.; Bednarek, W.; Berger, K.; et al. (EDP Sciences, 2012)