@book{1915,
	author = {Hoffmann, Stanley},
	title = {World disorders},
	publisher = {Rowman & Littlefield Publishers},
	year = {1998},
	address = {Lanham, Md.},
	url = {http://search.ebscohost.com/login.aspx?direct=true&db=nlebk&AN=622443&lang=es&site=ehost-live&scope=site}
}