SiO collimated outflows driven by high-mass YSOs in G24.78+0.08 C. Codella, M. T. Beltrán, R. Cesaroni, L. Moscadelli, R. Neri, M. Vasta and Q. Zhang A&A, 550 (2013) A81 Published online: 30 January 2013 DOI: 10.1051/0004-6361/201219900