Sub-arcsecond resolution radio continuum observations of IRAS 20126+4104 P. Hofner, R. Cesaroni, L. Olmi, L. F. Rodríguez, J. Martí and E. Araya A&A, 465 1 (2007) 197-205 Published online: 02 January 2007 DOI: 10.1051/0004-6361:20065770