XMM-Newton observations of seven soft X-ray excess QSOs

MLA

Page, K. L., et al. XMM-Newton Observations of Seven Soft X-Ray Excess QSOs. Jan. 2004. EBSCOhost, https://doi.org/10.48550/arxiv.astro-ph/0404444.

APA

Page, K. L., Schartel, N., Turner, M. J. L., & O’Brien, P. T. (2004). XMM-Newton observations of seven soft X-ray excess QSOs. https://doi.org/10.48550/arxiv.astro-ph/0404444

Chicago

Page, K. L., N. Schartel, M. J. L. Turner, and P. T. O’Brien. 2004. “XMM-Newton Observations of Seven Soft X-Ray Excess QSOs,” January. doi:10.48550/arxiv.astro-ph/0404444.