Deep optical imaging of the field of PC 1643+4631 A&B - II. Estimating the colours and redshifts of faint galaxiesGarret CotterToby Hayneset al.2002Mon. Not. R. Astron. Soc.
Deep optical imaging of the field of PC 1643+4631 A&B - I. Spatial distributions and the counts of faint galaxiesToby HaynesGarret Cotteret al.2002Mon. Not. R. Astron. Soc.