Article
Astronomy & Astrophysics  (2009)

A multi-wavelength survey of AGN in the XMM-LSS field I. Quasar selection via the KX technique

Nakos, T; Willis, JP; Andreon, S; Surdej J., Riaud; P, Hatziminaoglou E.; Garcet, O; Alloin, D; Baes M., Galaz; G., Pierre; M, Quintana; H., Page; MJ, Tedds; JA, Ceballos; MT, Corral; A, Ebrero J.; Krumpe, M; Mateos, S