Probing the evolution of infrared properties of z ∼ 6 quasars: Spitzer observations

Linhua Jiang^*, Xiaohui Fan, Dean C. Hines, Yong Shi, Marianne Vestergaard, Frank Bertoldi, W. N. Brandt, Chris L. Carilli, Pierre Cox, Emeric Le Floc'h, Laura Pentericci, Gordon T. Richards, George H. Rieke, Donald P. Schneider, Michael A. Strauss, Fabian Walter, J. Brinkmann