%0 Journal Article %T Molecular Phylogenetic Dating of Asterid Flowering Plants Shows Early Cretaceous Diversification %A Bremer, Kåre %A Friis, elsemarie %A Bremer, birgitta %J Systematic Biology %V 53 %N 3 %P 496-505 %@ 1063-5157 %D 2004-06-01 %I Oxford University Press %~ DeepDyve