Ethylene glycol in comet C/1995 O1 (Hale-Bopp) J. Crovisier, D. Bockelée-Morvan, N. Biver, P. Colom, D. Despois and D. C. Lis A&A, 418 3 (2004) L35-L38 Published online: 16 April 2004 DOI: 10.1051/0004-6361:20040116