A sample of 6C radio sources designed to find objects at redshift z>4: II - spectrophotometry and emission line properties
Jarvis, M.J.; Rawlings, S.; Lacy, M.; Blundell, K.M.; Bunker, A.; Eales, S.; Saunders, R.; Spinrad, H.; Stern, D.; Willott, C.J. (2001)