World product and income international comparisons of real gross product - Kravis, Irving B.; Heston, Alan W.; Summers, Robert 1922-.; United Nations Comparison Project; United Nations Statistical Office; World Bank. (Baltimore Published for the World Bank [by] the Johns Hopkins University Press, 1982)
At head of title: United Nations International Comparison Project, phase III.
Produced by the Statistical Office of the United Nations and the World Bank.
Keywords: National income; Comparative economics; Gross national product