Cite
HARVARD Citation
Serafinelli, R. et al. (2016). Ensemble spectral variability study of Active Galactic Nuclei from the XMM-Newton serendipitous source catalogue. Journal of physics. p. . [Online].
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Serafinelli, R. et al. (2016). Ensemble spectral variability study of Active Galactic Nuclei from the XMM-Newton serendipitous source catalogue. Journal of physics. p. . [Online].