Optical and infrared investigation towards the z=3.8 quasar pair PC1643+4631A&B
(1996)
Spectrophotometry of a sample of 7C giant radio sources
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 281:3 (1996) 1081-1093
8C1435+635 - A RADIO GALAXY AT Z=4.25
MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY 271:2 (1994) 504-512