00763nam a2200205Ia 4500082002000000100005000020110002200070245015100092260005200243300001400295500000500309690000600314710003300320710002900353904003200382952010200414964001700516921000900533999001500542  a339.31bUn58.SI  aUnited Nations. Statistical Office and Others  aKravis, Irving B.  aSystem of international comparisons of gross product and purchasing powerbcBy Irving B. Kravis, Zoltan Kenessey, Alan Heston and Robert Summers.  aBaltimorebJohns Hopkins University Pressc1975  axi, 294p.  a  a   aKenessey, Zoltan ; jt. auth.  aHeston, Alan ; jt. auth.  aSummers, Robert ; jt. auth.  00104070aISIbISId1998-09-02l0o339.31 Un58.SIpDP10251r2019-02-14 00:00:00w2019-02-14yBK  abcdefg  a7781  c7781d7781