A. Usero, S. García-Burillo, A. Fuente, J. Martín-Pintado, and N. J. Rodríguez-Fernandez, Molecular gas chemistry in AGN. I. The IRAM 30 m survey of NGC 1068, Astron. Astrophys. 419, 897-912 (2004).
Source(s): NGC1068 Facility: IRAM 30m