Mapping the neutral atomic hydrogen gas outflow in the restarted radio galaxy 3C 236 R. Schulz, R. Morganti, K. Nyland, Z. Paragi, E. K. Mahony and T. Oosterloo A&A, 617 (2018) A38 Published online: 18 September 2018 DOI: 10.1051/0004-6361/201833108