Simpson, C; Almaini, O; Cirasuolo, M; Dunlop, J; Foucaud, S; Hirst, P; Ivison, R; ... Watson, MG; + view all Simpson, C; Almaini, O; Cirasuolo, M; Dunlop, J; Foucaud, S; Hirst, P; Ivison, R; Page, MJ; Rawlings, S; Sekiguchi, K; Smail, I; Watson, MG; - view fewer (2006) Extremely red objects in the UKIDSS Ultra Deep Survey Early Data Release. Monthly Notices of the Royal Astronomical Society , 373 (1) L21 - L25. 10.1111/j.1745-3933.2006.00235.x.