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   61161
   We propose observations of three Ultra Luminous InfraRed
   Galaxies(ULIRGs) with ASCA. These ULIRGs are selected based on the
   luminosity ratio between far-infrared (FIR) and radio, and are expected
   to have hidden AGNs, whose luminosities are comparable to typical
   quasars (L(2-10keV) $>$ 10$^{44}$ erg/s).
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