Detection of 6.7 GHz methanol absorption towards hot corinos J. D. Pandian, S. Leurini, K. M. Menten, A. Belloche and P. F. Goldsmith A&A, 489 3 (2008) 1175-1182 Published online: 18 August 2008 DOI: 10.1051/0004-6361:200810556