@article {6566,
	title = {Survival without recovery after mass extinctions},
	journal = {Proceedings of the National Academy of Sciences of the United States of America},
	volume = {99},
	number = {12},
	year = {2002},
	note = {PDF},
	pages = {8139{\textendash}8144},
	keywords = {diversification, extinction, fossil record, stratigraphy},
	author = {Jablonski, D.}
}
