@article {16672,
	title = {Ninety-seven million years of angiosperm insect association: paleobiological insights into the meaning of coevolution},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {91},
	number = {25},
	year = {1994},
	month = {1994},
	pages = {12278-12282},
	author = {Conrad C. Labandeira and Dilcher, D.L and Davis, D.R and Wagner, D.L}
}
