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    PR # 31159                                                                   
       Warm ultraluminous infrared galaxies have L_FIR >10E12Lo and rather       
      warm infrared spectra (25-60micron). Their number density in the  lo       
     cal universe is comparable with that of cold ultraluminous galaxies a       
     nd of quasars, so they might be in the intermediate states between co       
     ld ultraluminous galaxies and quasars.   We propose to observe two wa       
     rm ultraluminous galaxies in order to determine the quantity of the d       
     ust enclosing the central nucleus and to reveal the connection betwee       
     n ultraluminous galaxies ane quasars.                                       
                                                                                 
                                                                                 
                                                                                 
                                                                                 
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