XMM-Newton spectral analysis of the Pulsar Wind Nebula within the composite SNR G0.9+0.1 D. Porquet, A. Decourchelle and R. S. Warwick A&A, 401 1 (2003) 197-203 Published online: 17 March 2003 DOI: 10.1051/0004-6361:20021670