ASCA observations of Deep ROSAT fields - II. The 2-10keV AGN luminosity function

.J.B .J.B .C .E.G .F.G W e presentadditionalopticalspectroscopicidenti(cid:12)cationsofsourcesidenti(cid:12)ed in three deep ASCA G IS (cid:12)eldswhich also form partofa deep RO SAT survey.In total, 26 ASCA sources have been detected down to a 2-10keV (cid:13)ux lim it of S 2 (cid:0) 10 = 5 (cid:2) 10 (cid:0) 14 ergcm (cid:0) 2 s (cid:0) 1 .LD SS observationshaveincreased thespectroscopiccom pleteness ofthe survey to between 65 and 85 per cent,with identi(cid:12)cations for up to 13