González-Alfonso, E., Fischer, J., Graciá-Carpio, J., Falstad, N., Sturm, E., Meléndez, M., et al. (2014). The Mrk 231 molecular outflow as seen in OH. Astronomy & Astrophysics, 561: A27, pp. 1-19. doi:10.1051/0004-6361/201321709.