Annuar, A., Alexander, D. M., Gandhi, P., Lansbury, G. B., Asmus, D., Baloković, M., Ballantyne, D. R., Bauer, F. E., Boorman, P. G., Brandt, W. N., Brightman, M., Chen, C. J., Del Moro, A., Farrah, D., Harrison, F. A., Koss, M. J., Lanz, L., Marchesi, S., Masini, A., Nardini, E., Ricci, C., Stern, D., & Zappacosta, L. (2020). nuSTAR observations of four nearby X-ray faint AGNs: low luminosity or heavy obscuration?. Monthly notices of the Royal Astronomical Society, 497(1), 229–245. http://access.bl.uk/ark:/81055/vdc_100116631861.0x00004a