@article {28172,
	title = {Late Paleocene fossils from the Cerrej{\'o}n Formation, Colombia, are the earliest record of Neotropical rainforest},
	journal = {Proceedings of the North American Academy of Sciences},
	volume = {106},
	number = {44},
	year = {2009},
	month = {2009},
	pages = {18627-18632},
	author = {Wing, S.L and Herrera, F and Jaramillo, C.A and Gomez-Navarro, C and Wilf, P and Conrad C. Labandeira}
}
