00649nam a2200193Ia 4500 339.31 Un58.SI United Nations. Statistical Office and Others Kravis, Irving B. System of international comparisons of gross product and purchasing power By Irving B. Kravis, Zoltan Kenessey, Alan Heston and Robert Summers. Baltimore Johns Hopkins University Press 1975 xi, 294p. Kenessey, Zoltan ; jt. auth. Heston, Alan ; jt. auth. Summers, Robert ; jt. auth. 0 0 0 0 ISI ISI 1998-09-02 0 339.31 Un58.SI DP10251 2019-02-14 00:00:00 2019-02-14 BK 7781 7781 7781