Atomic hydrogen in the one-sided “compact double” radio galaxy 2050+364 R. C. Vermeulen, A. Labiano, P. D. Barthel, S. A. Baum, W. H. de Vries and C. P. O'Dea A&A, 447 2 (2006) 489-498 Published online: 07 February 2006 DOI: 10.1051/0004-6361:20053857