High resolution observations of the hot core in G29.96–0.02 L. Olmi, R. Cesaroni, P. Hofner, S. Kurtz, E. Churchwell and C. M. Walmsley A&A, 407 1 (2003) 225-235 Published online: 17 November 2003 DOI: 10.1051/0004-6361:20030832