@article {5931,
	title = {Biotic replacements - extinction or clade interaction?},
	journal = {BioScience},
	volume = {48},
	number = {5},
	year = {1998},
	note = {xerox},
	pages = {389-395},
	keywords = {competition, ecology, extinction, fossil record, paleontology},
	author = {Briggs, John C.}
}
