%0 Journal Article %T Mitochondrial and Nuclear DNA Sequences Support a Cretaceous Origin of Columbiformes and a Dispersal-Driven Radiation in the Paleogene %A Pereira, Sergio L. %A Johnson, Kevin P. %A Clayton, Dale H. %A Baker, Allan J. %J Systematic Biology %V 56 %N 4 %P 656-672 %@ 1063-5157 %D 2007-08-01 %I Oxford University Press %~ DeepDyve