@book{6856,
	author = {Esquivel, Miguel. and Hammer, Karl.},
	title = {The cultivated species of the genus Allium in Cuba},
	note = {Sobretiro de: Hanelt, P. The genus Allium. -- Gatersleben, Istitute of Genetics and Crop. Plant Research, 1991 pp. 11-13}
}