@book{8222,
	author = {Britton, Nathaniel Lord, and Rose, J. N.},
	title = {Studies in Cactaceae.},
	publisher = {Govt. print. off.,},
	year = {1913-},
	series = {Smithsonian institution. United States National museum. Contributions from the United States National herbarium.},
	address = {Washington,}
}