A complete X-ray spectral coverage of the 2010 May–June outbursts of Circinus X-1 A. D’Aì, E. Bozzo, A. Papitto, R. Iaria, T. Di Salvo, L. Burderi, A. Riggio, E. Egron and N. R. Robba A&A, 543 (2012) A20 Published online: 21 June 2012 DOI: 10.1051/0004-6361/201118577