Discovery of an energetic bipolar molecular outflow towards IRAS 16547-4247 G. Garay, D. Mardones, L. Bronfman, K. J. Brooks, L. F. Rodríguez, R. Güsten, L.-Å. Nyman, R. Franco-Hernández and J. M. Moran A&A, 463 1 (2007) 217-224 Published online: 20 November 2006 DOI: 10.1051/0004-6361:20065329