Multi-transitional observations of methanol in Comet Hale-Bopp (1995 O1) M. Ikeda, K. Kawaguchi, S. Takakuwa, A. Sakamoto, K. Sunada and T. Fuse A&A, 390 1 (2002) 363-367 Published online: 05 July 2002 DOI: 10.1051/0004-6361:20020677