High-excitation OH and H2O Lines in Markarian 231: The Molecular Signatures of Compact Far-infrared Continuum Sourcesv. 675303–315
González-Alfonso, Eduardo, Smith, Howard A., Ashby, Matthew L. N., Fischer, Jacqueline, Spinoglio, Luigi, and Grundy, Timothy W. 2008. "High-excitation OH and H2O Lines in Markarian 231: The Molecular Signatures of Compact Far-infrared Continuum Sources." The Astrophysical Journal, 675 303–315.