The nature of X-ray selected extremely red objects

Stevens, J. A., Page, M.J., Ivison, R.J., Smail, I., Lehmann, I., Hasinger, G. and Szokoly, G. (2003) The nature of X-ray selected extremely red objects. Monthly Notices of the Royal Astronomical Society (MNRAS), 342 (1). pp. 249-258. ISSN 0035-8711