@book{34880,
	author = {Estados Unidos.},
	title = {Special Report.},
	publisher = {Division of Mines and Geology,},
	year = {1950-},
	address = {San Francisco :},
	note = {no.44(1955) Bibliography of Marine Geology and Oceonagraphy, California Coast; no.52, 52A, 52B(1958) Index to Geologie Maps of California; no.66(1961) An Annotated Bibliography of California Cretaceous Microfossils.}
}