@article {27940,
	title = {Diversity curves revisited},
	journal = {Paleontological Journal},
	volume = {43},
	number = {2},
	year = {2009},
	month = {2009},
	pages = {226-229},
	keywords = {REPRINT},
	author = {Alexandr G. Ponomarenko and Dmitriev, V.Yu}
}
