XMM-Newton observations of the first unidentified TeV gamma-ray source TeV J2032+4130D. Horns, A. I. D. Hoffmann, A. Santangelo, F. A. Aharonian and G. P. RowellA&A, 469 1 (2007) L17-L21DOI: https://doi.org/10.1051/0004-6361:20066836
