Enhanced [CII] emission in a z = 4.76 submillimetre galaxy C. De Breuck, R. Maiolino, P. Caselli, K. Coppin, S. Hailey-Dunsheath and T. Nagao A&A, 530 (2011) L8 Published online: 13 May 2011 DOI: 10.1051/0004-6361/201116868