Radio wavelength molecular observations of comets C/1999 T1 (McNaught-Hartley), C/2001 A2 (LINEAR), C/2000 WM1 (LINEAR) and 153P/Ikeya-Zhang
A&A, 449 3 (2006) 1255-1270
Published online: 24 March 2006
DOI: 10.1051/0004-6361:20053849