Phase-resolved XMM-Newton observations of the massive WR+O binary WR 22 E. Gosset, Y. Nazé, H. Sana, G. Rauw and J.-M. Vreux A&A, 508 2 (2009) 805-821 Published online: 11 August 2009 DOI: 10.1051/0004-6361/20077981