@book{1878,
	title = {Managing commodity price risk in developing countries},
	publisher = {Published for the World Bank [by] the Johns Hopkins University Press},
	year = {c1993. },
	address = {Baltimore},
	note = {"A World Bank book"--Half t.p. },
	url = {http://www.worldbank.icebox.ingenta.com/content/wb/650}
}