@book{639103,
	author = {UNITED NATIONS. ECONOMIC AND SOCIAL DEVELOPMENT (Department of--) and UNITED NATIONS. ECONOMIC AND SOCIAL DEVELOPMENT (Department of--)},
	title = {Commodity trade statistics, 1987.},
	publisher = {United Nations India       },
	year = {1988},
	address = {New York},
	note = {Statistical papers series D, vol.xxvii, no. 1-1}
}