An XMM-Newton look at the Wolf-Rayet star WR 40 - The star itself, its nebula and its neighboursE. Gosset, Y. Nazé, J.-F. Claeskens, G. Rauw, J.-M. Vreux and H. SanaA&A, 429 2 (2005) 685-704DOI: https://doi.org/10.1051/0004-6361:20040286