@book{21755,
	author = {Frederiksen, Norman O.},
	title = {Sporomorph biostratigraphy, floral changes, and paleoclimatology, Eocene and earliest Oligocene of the eastern Gulf Coast},
	publisher = {U.S. G.P.O.},
	year = {1988.},
	series = {U.S. Geological Survey professional paper},
	address = {Washington},
	note = {Two folded leaves in pocket.}
}