@book{27975,
	author = {Cushman, Joseph A. and Cushman Laboratory for Foraminiferal Research.},
	title = {The genus Articulina and its species,},
	year = {1944.},
	series = {Cushman laboratory for foraminiferal research.  Special publication},
	address = {Sharon, Mass.,},
	note = {Cover-title.}
}