The composition of ices in comet C/1995 O1 (Hale-Bopp) from radio spectroscopy - Further results and upper limits on undetected speciesJ. Crovisier, D. Bockelée-Morvan, P. Colom, N. Biver, D. Despois, D. C. Lis and the Team for target-of-opportunity radio observations of cometsA&A, 418 3 (2004) 1141-1157DOI: https://doi.org/10.1051/0004-6361:20035688