@book{39861,
	author = {Janzen, Daniel H.},
	title = {Swollen-thorn acacias of Central America},
	publisher = {Smithsonian Institution Press; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.]},
	year = {1974.},
	series = {Smithsonian contributions to botany},
	address = {Washington},
	note = {920316}
}