@article {31,
	title = {Early Cretaceous lineages of monocot flowering plants},
	journal = {Proc. Natl. Acad. Sci. USAProc. Natl. Acad. Sci. USA},
	volume = {97},
	number = {9},
	year = {2000},
	pages = {4707-4711},
	keywords = {Cretaceous, fossils, monocots},
	author = {Bremer, Kare}
}
