****************************************************** PR # 31280 We propose observation of multi z system QSOs in Braccesi Field with ASCA. There is a concentration of 35 QSOs/1.7deg**2 with z = 0.2 - 2. 2 and are full observations of Einstein IPC/HRI, optical and radio. T he main purpose of this observation is to acquire energy spectra of f aint "normal" (not OVVs nor BL Lacs) QSOs effectively and to understa nd their evolution and contribution to CXB in 2-10keV range. ******************************************************