Aalto S., García-Burillo S., Muller S., Winters J.M, Gonzalez-Alfonso E., van der Werf P., Henkel C., Costagliola F., Neri R..  2015.  High resolution observations of HCN and HCO$^+$J = 3-2 in the disk and outflow of Mrk 231. Detection of vibrationally excited HCN in the warped nucleus}. Astronomy and Astrophysics. 574:A85.

Costagliola F., Aalto S., Sakamoto K., Martín S., Beswick R., Muller S., Klöckner H.-R..  2013.  High-resolution mm and cm study of the obscured LIRG NGC 4418 . A compact obscured nucleus fed by in-falling gas? Astronomy and Astrophysics. 556:A66.

Costagliola F., Aalto S., Sakamoto K., Martín S., Beswick R., Muller S., Klöckner H.-R..  2013.  High-resolution mm and cm study of the obscured LIRG NGC 4418 . A compact obscured nucleus fed by in-falling gas? \aap. 556:A66.