@article {Benton1986,
	title = {More than one event in the late Triassic mass extinction},
	journal = {Nature},
	volume = {321},
	year = {1986},
	pages = {857{\textendash}861},
	keywords = {JS, TIP},
	doi = {10.1038/321857a0},
	url = {http://www.nature.com/nature/journal/v321/n6073/abs/321857a0.html},
	author = {Benton, Michael J}
}
