1. Long-term NIR variability in the UKIDSS Ultra Deep Survey: a new probe of AGN activity at high redshift. Issue 2 (11th February 2020) Authors: Elmer, E; Almaini, O; Merrifield, M; Hartley, W G; Maltby, D T; Lawrence, A; Botti, I; Hirst, P Journal: Monthly notices of the Royal Astronomical Society Issue: Volume 493:Issue 2(2020) Page Start: 3026 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗