Allison, J. R., Sadler, E. M., Bellstedt, S., Davies, L. J., Driver, S. P., Ellison, S. L., Huynh, M., Kapinska, A. D., Mahony, E. K., Moss, V. A., Robotham, A. S., Whiting, M. T., Curran, S. J., Darling, J., Hotan, A. W., Hunstead, R. W., Koribalski, B. S., Lagos, C. D., Pettini, M., Pimbblet, K. A., & Voronkov, M. A. (2020). FLASH early science - Discovery of an intervening H I 21-cm absorber from an ASKAP survey of the GAMA 23 field. Monthly Notices of the Royal Astronomical Society, 494(3), 3627-3641. https://doi.org/10.1093/MNRAS/STAA949