Choi, Y., van der Tak, F., van Dishoeck, E., Herpin, F., & Wyrowski (2015). Observations of water with Herschel/HIFI toward the high-mass protostar AFGL 2591. Astronomy and Astrophysics, 576: A85, pp. A85. doi:10.1051/0004-6361/201322717.