@book{28828,
	author = {Peterson, Reed H.},
	title = {Microfossils of the upper Cretaceous of northeastern Utah and southwestern Wyoming,},
	year = {1953.},
	series = {Utah.  Geological and Mineralogical Survey.  Bulletin 47.  Contributions in micropaleontology,},
	address = {[Salt Lake City]},
	note = {Errata slip inserted.}
}