%0 Journal Article %J The Astrophysical Journal %D 2006 %T Dynamical properties of ultraluminous infrared galaxies. I. Mass ratio conditions for ULIRG activity in interacting pairs %A Dasyra, K. M. %A Tacconi, LJ %A Davies, RI %A Genzel, R %A Lutz, D %A Naab, T %A Burkert, A %A Veilleux, S %A Sanders, DB %B The Astrophysical Journal %I IOP Publishing %V 638 %P 745 %G eng