The Chandra XBoötes survey. III. Optical and near-infrared counterparts

Kate Brand, Michael J.I. Brown, Arjun Dey, Buell T. Jannuzi, Christopher S. Kochanek, Almus T. Kenter, Daniel Fabricant, Giovanni G. Fazio, William R. Forman, Paul J. Green, Christine J. Jones, Brian R. McNamara, Stephen S. Murray, Joan R. Najita, Marcia Rieke, Joseph C. Shields, Alexey Vikhlinin